用所给词的适当形式填空。

1. Would you mind____     (wait) for me for a few minutes?

2. Could you please         (make) room for me?

3. They tried to keep the dog____     (sit) on the floor.

4. He wants____   (tell) us about his story.

5. Would you like         (collect) shells?

6. When did you____     (get) your first pair of sneakers?

7. I've been____   (watch) TV for two hours.

8. I heard someone____   (sing) in the next room just now.

9. I think it will take about ten minutes____     (finish) this task.

10. I saw Tom____   (dance) in the room when l walked past.

假设以10%的年利率借得30000万元，投资于某个寿命为10年的项目，为使该投资项目成为盈利的项目，每年至少应收回的现金数额为（）万元。［已知（P/A，10%，10）=6.1446，（F/A，10%，10）=15.937］

A.6000.15

B.3000.00

C.5374.29

D.4882.34