1)
2. Did
3. haven't
4. have
5. Did
6. haven't
7. have
8. Have you ever driven
2)
2. they have always grown fruit.
3. he has swim more than 10,000 meters
4. have you given them the plant
5. she has never flown in a plane
6. we have won £1000 in a competition
3)
2. mustn't
3. don't have to
4. must
5. can't
6. can
7. doesn't have to
8. must / have to
9. can
4)
2. doing
3. made
4. made
5. made
6. doing
5)
2. studying
3. gave
4. wear
5. play
6. taking
6)
2. look up
3. note down
4. chat with
5. with subtitles
6. of
7)
B: worry
B: don't ; write
A: idea
B: should
A: sounds ; online
B: native ; conversation ; chat
