2. Should
3. Might
4. Can
5. Don't have to
6. Mustn't
7. Can't
8. Might not
Ex 6:
1 research
2 debate - agaisnt
3 What's wrong
4 believe - exam
5 unfair
6 concentrate
7 multi-tasking
8 lose
Ex 7
1 crime
2 solve - prove
3 suspect
4 lie
5 valuable
6 statement
7 robbery
8 hobby
9 borrow
Ex 8
1 hobby
2 behave
3 smart
4 robbery
5 solve
6 statements
7 flows
8 north
9 surface
Ex 12
2 She is the best player in the team, isn't she?
She isn't the best player in the team, is she?
3 You are good at drama, aren't you?
You aren't good at drama, are you?
4 Jim can come for dinner tonnight, can't he?
Jim can't come for dinner tonnight, can he?
5 We are late for school, aren't we?
We aren't late for school, are we?
