Answer — Exercise 7
9.2 - It's a mystery!·New Total English Upper-Intermediate - Students' Book
Question
Complete the sentences using must / might /can't / couldn't (have) and the correct form of the verb in brackets.
Answer
- can't have forgotten
- must have seen
- might have gone
- must have told
- must be
- can't / couldn't have spent
- might be
- can't / couldn't have left