Complete the 12 sentences below. Choose the best answer for each one. Some sentences have two correct answers. Choose both.
1You ............... return all library books by Friday.
Wrong!
"Have to" is correct because it expresses an external rule or requirement.
2You ............... use your phone in the exam room.
Wrong!
"Mustn't" is correct because it expresses prohibition.
3If you feel tired, you ............... go to bed earlier.
Wrong!
"Should" is correct because it gives advice.
4You ............... finish the report today; the deadline is Friday.
Wrong!
"Don't have to" is correct because there is no necessity today.
5I have an exam tomorrow, so I ............... study tonight.
Select 2 answers.
Wrong!
"Must" and "have to" are correct because both express strong necessity here.
6You ............... leave early today because you've finished all your work.
Wrong!
"Can" is correct because it gives permission.
7The lights are off and the door is locked, so they ............... be at home.
Wrong!
"Can't" is correct because it expresses a negative deduction.
8Everyone on this construction site ............... wear a helmet.
Wrong!
"Have to" is correct because it expresses a workplace rule.
9The doctor says you ............... drink sugary drinks for a few weeks.
Wrong!
"Mustn't" is correct because it expresses prohibition.
10Lunch is provided, so you ............... bring any food.
Wrong!
"Needn't" is correct because it means bringing food is unnecessary.
11You have an interview tomorrow, so you ............... stay up late tonight.
Wrong!
"Shouldn't" is correct because it gives advice against doing something.
12All new staff ............... arrive by 8:30 on their first day.
Wrong!
"Have to" is correct because it expresses a stated requirement.
Done.
Score: 0/12
Answers
- You have to return all library books by Friday.
- You mustn’t use your phone in the exam room.
- If you feel tired, you should go to bed earlier.
- You don’t have to finish the report today; the deadline is Friday.
- I have an exam tomorrow, so I have to study tonight.
I have an exam tomorrow, so I must study tonight. - You can leave early today because you’ve finished all your work.
- The lights are off and the door is locked, so they can’t be at home.
- Everyone on this construction site have to wear a helmet.
- The doctor says you mustn’t drink sugary drinks for a few weeks.
- Lunch is provided, so you needn’t bring any food.
- You have an interview tomorrow, so you shouldn’t stay up late tonight.
- All new staff have to arrive by 8:30 on their first day.
