Điền từ thích hợp vào chỗ trống

1. I (never/be).....sailing, what's it like?
2. She (just/come).....back from a Mediterranean cruise.
3. When they.....(drive) home last night they (see).....a terrible accident.
4. I am very sorry but I (not finish).....reading the book                 yet.
5. She (be).....ill since last Monday. She won't be able to go to the sea-side next week-end.
6. I decided to learn Greek while we (live).....in Delphes.
7. They.....(go) to town when I (see).....them this morning.
8. She says that she.....(live) in the country when she.....(be) a child.
9. .....you.....(be) a good student