
Answer — Exercise 5
4.9 - Self-check ·Focus 4 (2nd edition) - Workbook
Câu hỏi
Complete the sentences with the correct modal verbs and the correct forms of the verbs in brackets. In some sentences, more than one answer is possible.
Câu trả lời
- didn’t need/have to hire
- mustn’t use / can’t use
- shouldn’t have kept / ought not to have kept
- had to cancel
- needn’t have brought