1. I wish I could be able to fly a plane.
2. Someone has given me 2 tickets to the concert.
3. He has been painting the house for 2 hours.
Or: He has painted the house for 2 hours.
4. Jane accused Frank of beaking her radio.
5. It is impossible for me to work in all this noise.
6. The office manager wondered why he/she hadn't got a computer before.
7. Don't sign the delivery note without checking for damage.
(đề bài từ "sign" viết sai em nhé; sign: kí # sing: hát)