用所给词的正确形式填空。

1. We are going to have great fun             (sing) this song.

2. Would you like something             (eat)?

3. There             (be) a desk and three chairs.

4. Listen! Who             (cry)?

5.            (not come) late again. Tom.

6. Nothing             (happen) yesterday.

7. Who             (not be) here yesterday?

8. It takes me 20 minutes             (wash) my shoes.

9. He keeps a diary             (remember) things.

10.             (do) eye-exercises is good for your eyes.

某企业将茶叶分成若干档次，不同档次是不同品牌，属于（）。

A.个别品牌

B.统一品牌

C.分类品牌

D.中间商品牌