用所给单词的正确形式填空。
1. I spent some time (have) sports every day. I think it's a good way to keep healthy.
2. — How far is it from our school to the farm?
— It is about two (hour) walk.
3. As a student, we should listen to our teachers _______ (care) in class.
4. — Where are the twins?
— They have (go) to the library. They want to borrow some books.
5. Everyone knows that the harder we study, the _______ (much) knowledge we can get.
6. Mrs. Mort invented a memory robot to make it _______ (work) for her husband because he had a very
bad memory.
7. They were (watch) TV at home when their mother came back last night.
8. Wang Nan plays ping-pong very well. She is one of the most famous _______ (play) in the world.
9. — Mum, there's a waste bag on the ground.
— Oh, dear! It shouldn't be (throw) out. Please pick it up and put it into the dustbin.
10. It was cold yesterday. My mother came to the school and _______ (bring) me some clothes.