用适当的词填空。

1. My uncle likes ______ (run) very much. Look! He is running now.

2. Helen wants ______ (play) volleyball with Nancy.

3. Liu Tao ______ (not like ) Science at all.

4.The girl usually ______ (go) to bed at nine.

5. The old man is sitting ______ (quiet) under the tree.

6. The little girl ______ (like) making clothes.

7.  Does your father sing ______ (good) ?

8. Su Yang and Su Hai ______ (be) the same age.

9. What ______ (do) your classmates usually do on Sundays?

10. The puppets ______ (jump) around on the bus.

越来越多的流通企业，承担起生产厂家的“采购代理”任务，是因为物流过程增加了产品的（）

A、时间效用

B、空间效用

C、品种效用

D、批量效用