Complete the 12 sentences below. Choose the best answer for each one. Some sentences have two correct answers. Choose both.
1Library rule: You ............... eat or drink in the library.
Wrong!
"Can't" is correct because it expresses prohibition.
2Classroom request: ............... I open the window, please?
Wrong!
"Can" is correct because it is used to ask for permission.
3Office policy: Employees ............... leave after 6 p.m. with the manager's approval.
Wrong!
"May" is correct because it expresses formal permission.
4Museum notice: Visitors ............... touch the paintings.
Wrong!
"Mustn't" is correct because it expresses prohibition.
5Teacher's permission: You ............... leave early today.
Wrong!
"Can" is correct because it gives permission.
6Polite question at work: ............... I leave a little early today?
Wrong!
"Could" is correct because it is a polite way to ask for permission.
7Exam room rule: You ............... use your phone during the exam.
Wrong!
"Can't" is correct because it expresses prohibition.
8Family permission: You ............... use the car tonight if you finish your homework.
Wrong!
"May" is correct because it gives permission.
9Café seat request: ............... I sit here?
Select 2 answers.
Wrong!
"May" and "Can" are correct because both can be used to ask for permission.
10Workplace prohibition: Employees ............... enter this area without a pass.
Wrong!
"May not" is correct because it expresses lack of permission.
11School computer room: You ............... print your homework after class.
Wrong!
"Can" is correct because it gives permission.
12Hospital visiting hours: Visitors ............... come in only between 4 and 6 p.m.
Wrong!
"Can" is correct because it expresses permission.
Done.
Score: 0/12
Answers
- Library rule: You can’t eat or drink in the library.
- Classroom request: Can I open the window, please?
- Office policy: Employees may leave after 6 p.m. with the manager’s approval.
- Museum notice: Visitors mustn’t touch the paintings.
- Teacher’s permission: You can leave early today.
- Polite question at work: Could I leave a little early today?
- Exam room rule: You can’t use your phone during the exam.
- Family permission: You may use the car tonight if you finish your homework.
- Café seat request: Can I sit here?
Café seat request: May I sit here? - Workplace prohibition: Employees may not enter this area without a pass.
- School computer room: You can print your homework after class.
- Hospital visiting hours: Visitors can come in only between 4 and 6 p.m.

