The key answer of exercise 5
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
Choose the correct items.
Answer
- mustn't (it's forbidden)
- can't be (negative logical assumption)
- couldn't (past)
- should (advice)
- don't have to (it's not necessary)
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