The key answer of exercise 7
The key to exercise solutions in chapter Progress Check 6 for the textbook On Screen B1+ - Student's Book with authors Virginia Evans and Jenny Dooley from Express Publishing
Question
Complete the second sentence so that it means the same as the first. Use no more than three words.
Answer
- must be
- have to
- to pay
- can't / mustn't
- may / might not come
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