Unit 16

                                Exercise 10
1. does it?
2. wasn't it?
3. didn't they?
4. isn't it?
5. will you?
6. shall we?
7. hasn't he?
8. do you?
                         Exercise 11
1. will you?
2. have you?
3. shall we?
4. aren't you?
5. does she?
                       Exercise 14
1. dry yourself
2. burnt herself
3. hurt himself
4. enjoyed himself'
5. help themselves
                   Exercise 15
1. will be
2. lost
3. wouldn't have died
4. would have passed
5. was
6. stop