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Curly Brackets Curly Braces Practice (B1-B2) - English Writing Quiz

⏱ Time: 07:30 📝 Questions: 15 📊 Level: B1, B2 📚 Type: Writing ⭐ XP: up to +16 (on pass)

Use this 15-question quiz to find your weak spots in Curly Brackets Curly Braces. At Level B1-B2, every question targets a specific sub-topic with a clear explanation. Your score tells you what you know; the explanations show you what to study next.

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

Q1  15
Q1 15

Question 1: Which type of brackets is used in the following sentence? The available drink sizes form the set {small, medium, large}.

Question 1 options
The symbols { } are called curly brackets, also known as curly braces. They are commonly used in mathematics to represent a set of items and in programming to group blocks of code. In this sentence, they group the available drink sizes into a set.
Q2 15

Question 2: Choose your preferred colour ___ red, blue, green, yellow ___ and we will prepare your order.

Question 2 options
Curly brackets { } are used to group a set of items together in writing. The opening curly bracket { comes before the list and the closing curly bracket } comes after it.
Q3 15

Question 3: Curly brackets { } are commonly recommended for use in formal academic essays.

Question 3 options
This is false. Curly brackets are rarely used in formal writing and should generally be avoided in academic essays. They are more commonly found in mathematics, programming, and music notation.
Q4 15

Question 4: Which sentence correctly uses curly brackets to group items together?

Question 4 options
Curly brackets should enclose a group of related items presented as a set within a sentence. The correct usage places the opening { before the first item and the closing } after the last item, with the items separated by commas.
Q5 15

Question 5: Match each type of bracket to its correct symbol.

Question 5 options
Round brackets (parentheses)
Curly brackets (braces)
Square brackets
Angle brackets (chevrons)
[ ]
< >
( )
{ }

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

Each bracket type has a distinct symbol: round brackets ( ), curly brackets { }, square brackets [ ], and angle brackets < >. Recognising these differences is essential for correct punctuation in writing.
Q6 15

Question 6: Which sentence contains an error in the use of brackets?

Question 6 options
Using square brackets [ ] to group a set of choices is incorrect when the purpose is to present items as a group or set. Curly brackets { } are the correct choice for grouping items together as a set in informal or technical writing.
Q7 15

Question 7: In the following note, which punctuation best completes the sentence? For tomorrow's class, please bring one item from this set ___ notebook, pencil, eraser, ruler ___.

Question 7 options
When presenting a group of items as a set within a sentence, curly brackets { } are the appropriate punctuation. Round brackets are used for additional information, and square brackets for editorial insertions, not for grouping sets.
Q8 15

Question 8: The following sentence contains an error: 'The chef offered three dessert options (cake, pie, ice cream) as a grouped set for the special menu.' Which option correctly fixes the error if the writer intends to present the items as a grouped set?

Question 8 options
When the writer explicitly intends to present items as a grouped set, curly brackets { } are the correct punctuation, not round brackets (parentheses). Parentheses are used for additional or parenthetical information rather than for grouping items into a set.
Q9 15

Question 9: Arrange the parts in the correct order to form a properly punctuated sentence using curly brackets:

Question 9 options
  • Please choose one flavour
  • and tell the cashier.
  • }
  • {
  • vanilla, chocolate, strawberry

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

When using curly brackets to group items, the sentence begins with the introductory clause, followed by an opening curly bracket, the grouped items separated by commas, a closing curly bracket, and then the rest of the sentence with final punctuation.
Q10 15

Question 10: You are writing an informal guide for new employees about lunch options. You want to show available meal choices as a grouped set. Which option is most appropriate?

Question 10 options
Curly brackets are used to present items as a grouped set. Since this is an informal guide, curly brackets are acceptable. Square brackets are for editorial insertions, angle brackets are for technical writing, and parentheses are for additional rather than grouped information.
Q11 15

Question 11: What is the difference between curly brackets { } and round brackets ( ) in writing?

Question 11 options
Curly brackets are specifically used to group items together as a set, while round brackets (parentheses) are used to add extra or parenthetical information to a sentence without changing its core meaning. They serve different purposes in writing.
Q12 15

Question 12: Which version is most appropriate for a formal business report?

Question 12 options
In formal business writing, curly brackets should be avoided. Instead, items should be presented using standard punctuation such as colons and commas, or formatted as a proper list. Curly brackets are considered too informal for professional reports.
Q13 15

Question 13: Curly brackets can be used in both writing and music, but they serve different purposes in each field.

Question 13 options
This is true. In writing, curly brackets are used to group words or statements together. In music, they are called braces or accolades and are used to connect two or more lines of music that should be played simultaneously.
Q14 15

Question 14: In the sentence 'The coach said to pick your warm-up exercise {stretching, jogging, jumping jacks} before practice begins,' why does the writer use curly brackets?

Question 14 options
Curly brackets are used in writing to indicate that certain items should be viewed as a group or set. Here, the exercises are presented as a defined group of options from which the reader must choose one.
Q15 15

Question 15: The following sentence is awkward and unclear: 'We need supplies and those supplies are paint and brushes and canvas and they should be considered together as one group.' Which is the best improved version?

Question 15 options
Using curly brackets to group the supply items makes the sentence concise and clear. The curly brackets indicate that the items within them form a single group, eliminating the repetitive phrasing of the original sentence.