8. At the ________(医务室),Kate was looked over carefully by Mr.Brown.

7. By the end of the ______ (二十) century ,the world population had passed six billion,.

6. Lily felt sad because her bird was _______(死了).

5. Why do you ______ (不喜欢)travelling by air?

4. He must be ______ (阻止)from crossing the street when the lights are red.

3. The farmers are both busy _____(种)vegetables now.

2. What are you going to do in your ____(两个月的) holiday?