The key answer of exercise 7
The key to exercise solutions in chapter 9.2 - It's a mystery! for the textbook New Total English Upper-Intermediate - Students' Book with authors Araminta Crace and Richard Acklam from Pearson Education
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
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