Correct the mistakes
1. You needn’t solve a problem until you identify it correctly.
| A. needn’t | B. solve | C. until | D. identify |
2. Be careful with the knife! It’s very sharp, you must cut your finger.
| A. Be careful | B. It’s | C. must | D. cut |
3. Pam can’t have cooked since we ordered some pizzas.
| A. can’t | B. have cooked | C. since | D. ordered |
4. They said that you shouldn’t use your mobile phone at the cinema.
| A. said | B. shouldn’t | C. use | D. at |
5. Henry, will I borrow your camera tonight?
| A. will | B. I | C. borrow | D. tonight |
6. You should be careful when using chemicals.
| A. should | B. be | C. when | D. using |
7. She hasn’t eaten anything since yesterday. She can be very hungry.
| A. hasn’t eaten | B. anything | C. can | D. be |
8. His teacher was very angry with him. He mustn’t have said that to her.
| A. was | B. with | C. mustn’t | D. have said |
9. Children should obey their parents and teachers.
| A. should | B. obey | C. their | D. and |
10. You might try the cheese souffle. It’s really good.
| A. might | B. try | C. It’s | D.good |