用所给动词的适当形式填空

1. Few students ________(ask) to work hard at their lessons here, are they?

2. The police promised that they ________(solve) the case as soon as possible.

3. The school trip we look forward to ________(take) place this Saturday.

4. My parents didn't go to the cinema with me, they ________ already ________(fly) to America.

5. ________(catch) up with  his friends, he ran as fast as he could.

6. China ________(send) up several spacecraft into space in the last few years.

7. The charity show ________(organize) by my classmates last year was a great success.

8. I'm sorry I didn't catch what you said because I ________(type) the letter.