Cover of English Grammar in Use

Answer — Exercise 31.4

Unit 31 - have to and must·English Grammar in Use

Câu hỏi

Complete the sentences with mustn't, don't have to or doesn't have to.

Câu trả lời

  1. mustn't
  2. doesn't have to
  3. don't have to
  4. mustn't
  5. don't have to
  6. doesn't have to
  7. don't have to
  8. mustn't
  9. mustn't
  10. don't have to
← Exercise 31.3

More exercises in Unit 31 - have to and must

Ex. 31.1
Ex. 31.2
Ex. 31.3