Answer — Exercise 11

1

1. Have they been
2. went
3. have you ever met
4. came
5. Has your mum ever visited
6. flew

2

1. have you ever lived
2. did you do
3. had
4. have always lived
5. have never even cooked

3

1. have already started
2. started
3. Have you met
4. haven't
5. was
6. got back
7. haven't decided