动词填空。

1. My uncle with my grandparents ________ (live) in Beijing.

2. Is it time for us ________ (begin) our class?

3. We have fun ________ (swim) in the pool every summer.

4. Mary is clever and can ________ (speak) four languages.

5. I spend about half an hour ________ (chat) with my friends on the Internet.

6. ---Tom, __________(wash) the dishes after supper. 

   ---OK, Mum.

7. Your new friend __________ (sound) good. I want to make friends with him.

8. This pair of shoes________(not be) for Millie. They are for Sandy.

9. Everyone in Mr Wu's class ________ (not do) homework at school.

10. ________ his Chinese and English teachers ________ (come) from the same city?

有学者跟踪研究了某群体500 名成年人的收入情况，并将1991 年该人群的收入分布在1996 年的变动情况绘制成表2。如1991 年属于收入最低1/5组的该人群在1996 年时有51 人依然处于同一位置，而有4 人进入了收入最高1/5 组。

在1996年的该人群中，约有（）的人收入情况好于1991年。

A．54%

B．43%

C．29%

D．37%