动词填空。
1. If it rains tomorrow, we _______ (stay) at home.
2. Their parents _______ (buy) a new flat when he was born.
3. How long _______ you _______ (be) like this ?
4. Did you see the man _______ (lie) on the playground?
5. _______ you _______ (mop) the floor yet?
6. How lucky we are _______ (live) in this modern city!
7. Her mother _______ (teach) in the school over the ten years.
8. The Greens _______ (have) supper right now. But we _______ (just eat) it.
9. What _______ you _______ (do) while the others were cleaning the classroom?
1. will stay 2. bought 3. have been 4. lying 5. Have mopped
6. to live 7. has taught 8. are having, have just eaten 9. were doing