用所给词的适当形式填空。

1. Look at the       . How big they are! (library)

2. Look! The boy is        to the classroom. (run)

3. There aren't        exercises on the paper. (some)

4. Children in        often play ping pong. (Chinese)

5.        homework can you do today? (how many)

6. There are some small        near Tianjin. (city)

7. Do you know       ? (where is he from)

8. Oh, your shoes are like       . (Tom)

9. Can you        a horse like that man? (ride)

10. I want to buy two bags of        for the children. (soap)

整合营销观念与推销观念之间存在巨大的差别，整合营销观念是以（）的需求为中心。

A、卖方

B、买方

C、制造商

D、销售商