Cover of Solutions Pre-Intermediate - Workbook

Answer — Exercise 4

3D - must, mustn't and needn't / don't have to·Solutions Pre-Intermediate - Workbook

Câu hỏi

Decide whether must or have to is better in these sentences.

Câu trả lời

  1. must
  2. must
  3. have to
  4. must
  5. have to

More exercises in 3D - must, mustn't and needn't / don't have to