根据所给单词，在空格填入正确的单词形式。

1. Let's _______(begin).

2. Pay attention to _______(listen) to her.

3. Mike _______(go) to school.

4. He can ______(play) soccer.

5. He is a Japanese _______(play).

6. Her _______(foot) are very big.

7. My _______ (friend) parents are doctors.

8. I think ______(it) name's Mimi.

9. _______ she ______ (have) a long nose?

10. _______(be) your brother a student?

11. They are _______. They come from _______.(China)

12. Let's go             (shop) tomorrow.

13. This blouse is _______(I).

14. Please help the police              (find) her.

叉车工作装置起升机构液压油路中，起升油缸进油口装置限速阀，其功用是限制（）的速度，以保证安全。

A、货叉起升

B、货叉下降

C、货叉前倾

D、货叉后倾