Fill in the blanks with need or must.
1You ............... tell anybody what I said. I want to keep it a secret.
Wrong!
Must not shows prohibition.
2You ............... tell her. She already knows.
Wrong!
Need not shows lack of necessity.
3We are already running late. We ............... hurry.
Wrong!
4We have cooked enough food for the guests. We ............... worry.
Wrong!
We can write 'We needn't worry' or 'We don't need to worry.'
5You can leave. You ............... wait.
Wrong!
6We have got plenty of time. We ............... to worry.
Wrong!
7The restaurant was almost full. We ............... have reserved a table.
Wrong!
8Everybody was safe. I ............... worried so much.
Wrong!
9She cannot keep a secret. You ............... tell her anything.
Wrong!
10Tomorrow is a holiday. You ............... up early.
Wrong!
11I have learned enough for the exam. I ............... worry.
Wrong!
Either could be used here; however, needn't is more appropriate.
12She doesn't have a job. She ............... find one.
Select 2 answers.
Wrong!
Either must or needs to is possible here.
Done.
Score: 0/12
Answers
- You mustn’t tell anybody what I said. I want to keep it a secret.
- You need not tell her. She already knows.
- We are already running late. We must hurry.
- We have cooked enough food for the guests. We need not worry.
- You can leave. You needn’t wait.
- We have got plenty of time. We don’t need to worry.
- The restaurant was almost full. We need not have reserved a table.
- Everybody was safe. I needn’t have worried so much.
- She cannot keep a secret. You must not tell her anything.
- Tomorrow is a holiday. You need not wake up early.
- I have learned enough for the exam. I Either could be used here worry.
- She doesn’t have a job. She must/needs to find one.

