一．Fill the following blanks with the proper words.
1. Welcome ______ China.
2. What’s the matter _______ your watch?
3. The weather in Beijing is different ____ that of Nanjing.
4. His trousers are the same _____ mine.
5. Mr. Wang is very friendly _______ us.
6. My father made a kite  _______  me.
7. What do you mean _______ doing that?
8. I’d like you to stay _______ me tonight.
9. His school is far _______ his home.
10. The hospital is near _____ the post office.