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Em Dash Practice (B2) - English Writing Quiz

15questions
7:30minutes
+16XP on pass

This 15-question Em Dash practice quiz walks you through the topic step by step — from basic recognition to real-world application. Tailored for Level B2, with clear explanations after every question. Great for building confidence before moving to harder topics.

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⏱ You have 07:30 to answer 15 questions. The timer only starts when you click Begin.

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Questions 15
Q1  15
Q1 15

Question 1: What punctuation technique is demonstrated in the following sentence?"The detective had one suspect in mind—the butler."

Question 1 options
The sentence uses an em dash (—) to introduce additional information, functioning similarly to a colon. The em dash sets off the clarifying detail at the end of the sentence.
Q2 15

Question 2: My two closest friends ___ both of whom live abroad ___ are visiting me this weekend.

Question 2 options
A pair of em dashes is used to set off a parenthetical clause within a sentence, similar to how commas or parentheses would function. The correct option places em dashes on both sides of the inserted information.
Q3 15

Question 3: An em dash can be used to replace a colon when introducing a list within a sentence.

Question 3 options
This is false. While an em dash can replace a colon when joining an independent clause to a dependent clause or a short explanation, it should not be used to replace a colon that introduces a formatted list of items.
Q4 15

Question 4: Which sentence correctly uses an em dash?

Question 4 options
The sentence 'She finally revealed the truth—she had been lying the entire time' correctly uses an em dash to join two clauses, functioning like a colon or semicolon. The other options incorrectly use hyphens or en dashes where an em dash is needed, or place the em dash incorrectly.
Q5 15

Question 5: Match each punctuation mark or usage to its correct description.

Question 5 options
Em dash (—)
En dash (–)
Hyphen (-)
Em dash in dialogue
Shows that a speaker has been interrupted
Sets off extra information in a sentence
Indicates a range between numbers or dates
Joins parts of a compound word

Select an item on the left, then tap its match on the right.

The em dash (—) is the longest dash and is used for parenthetical information or interruptions. The en dash (–) is medium-length and shows ranges. The hyphen (-) is short and joins compound words. Em dashes can also signal interrupted speech in dialogue.
Q6 15

Question 6: Which sentence has a punctuation error related to dashes?

Question 6 options
The sentence 'The years 2010-2020 were transformative for technology' incorrectly uses a hyphen (-) where an en dash (–) is needed to indicate a range. The other sentences use their respective punctuation marks correctly.
Q7 15

Question 7: The four contestants ___ each more determined than the last ___ waited nervously for the results to be announced.

Question 7 options
Em dashes are the best choice here because the parenthetical phrase contains a comparative structure that adds dramatic emphasis. Commas would work but provide less emphasis, while semicolons and colons are grammatically incorrect in this position.
Q8 15

Question 8: The following sentence contains an error: "The three capital cities—London, Paris, and Rome-are popular tourist destinations." Which option correctly fixes the error?

Question 8 options
When using a pair of em dashes to set off a parenthetical phrase, both dashes must be em dashes. The original sentence incorrectly uses a hyphen (-) as the closing dash. The correct version uses an em dash (—) on both sides.
Q9 15

Question 9: Arrange the parts in the correct order to form a sentence that uses an em dash to signal an interruption in dialogue:

Question 9 options

    Drag items or use arrows to arrange them in the correct order.

    Q10 15

    Question 10: You are writing a formal report about a company's financial losses. The appositive phrase contains commas. Which sentence is most appropriate?

    Question 10 options
    When an appositive already contains commas, em dashes provide the clearest way to set it off from the rest of the sentence. Using additional commas would create confusion about where the appositive begins and ends. This is a key practical use of em dashes in formal writing.
    Q11 15

    Question 11: Which sentence uses an em dash rather than an en dash correctly?

    Question 11 options
    An em dash (—) is used to set off parenthetical information or add emphasis, whereas an en dash (–) is used for ranges (pages 10–25, Monday–Friday) and compound adjectives with open compounds. 'She had one goal—winning the championship' correctly uses an em dash for emphasis before a clarifying element.
    Q12 15

    Question 12: You are writing a casual email to a colleague. Which version uses the em dash with the most appropriate register and placement?

    Question 12 options
    In a casual email, an em dash can add a natural, conversational tone when introducing an afterthought or clarification. The version 'I'll be there on Thursday—probably around noon' uses the em dash correctly and maintains an appropriately informal register without being overly dramatic or formal.
    Q13 15

    Question 13: An em dash can always replace a semicolon, regardless of the sentence structure.

    Question 13 options
    This is false. An em dash can replace a semicolon when it joins two independent clauses, but a semicolon is also used in complex lists with internal commas (e.g., 'London, England; Paris, France; Rome, Italy'). An em dash cannot replace a semicolon in that context.
    Q14 15

    Question 14: Read the following sentence: "The storm hit the coast—without warning—and destroyed dozens of homes."What effect does the writer create by using em dashes here instead of commas?

    Question 14 options
    Em dashes create stronger emphasis than commas when setting off parenthetical information. By using em dashes around 'without warning,' the writer draws the reader's attention to the sudden, unexpected nature of the storm, adding dramatic impact that commas would not achieve as effectively.
    Q15 15

    Question 15: Which revision best improves the following weak sentence?Original: "The president (who had been in office for only two months) made a bold decision that surprised everyone."

    Question 15 options
    Replacing the parentheses with em dashes gives the inserted information more prominence and creates a smoother, more emphatic reading experience. Parentheses tend to downplay the enclosed information, while em dashes draw attention to it, which suits the dramatic context of the sentence.

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