The key answer of exercise 3
The key to exercise solutions in chapter 6c - Grammar in use for the textbook On Screen B1+ - Student's Book with authors Virginia Evans and Jenny Dooley from Express Publishing
Question
Write the correct modal verb to complete the signs. Where could you see each sign?
Answer
- mustn't; in a park
- Could; on TV
- can / may; a tag on a shop assistant's shirt
- should; at a theatre
- may / might; in the highway
- must; on a train