现学现用
1. China is the third largest country in the world. I wonder to know what __________the population of it? (be)
2.—Could you tell me how long I can _________this book?
—For three days.
A. keep B. lend C. borrow D. give
3. They_________ Zhao tong for ten years, but the recent earthquake ruined their house.
A. have gone to B. have gone for
C. have been to D. have been in
