6. Listen!Who (sing) in the next room?

5. It's important for us to take action (protect) wild animals.

4. She (teach) dancing in this training center for over fourteen years.

3. When I was doing my homework,I heard someone (knock) at the door.

2. Uncle Wang (work) in the workshop at nine yesterday morning.

四、动词填空

1. —Who is always the last (get) to the classroom? —Tom,I think.

() 10. — I think you are the most suitable man to be the chairperson.

   A. Sure. I think so too. B. Don’t say so.

   C. Oh,really? I can't believe. D. It's nice of you. Thanks.

() 9. I didn't take my raincoat or umbrella.   I got wet through.

   A. It's because   B. That's why

   C. There's why   D. It's so

() 8. It's very nice you me carry this heavy box.

   A. of;to help   B. for;to help   C. of;helping   D. of;help

() 7. fun part in different kinds of activities.

   A. This is;to take   B. It's; to take

   C. That is;taking   D. It's; take