从A、B、C、D四个选项中选出与画线部分意思相同或相近的并能替代的一项。

1. Some students know the person under the tree.[ ]

A. Lots of

B. Few

C. Not all

D. Quite a few

2.I think the students should wear school uniform(校服)whenthey are at school.[ ]

A. are supposed to

B. are allowed to

C. would like to

D. love

3. He has worked for 4 hours. Now he is a bit tired.[ ]

A. a lot

B. a lot of

C. a bit of

D. a little

4. He spoke so fast that no one could follow this words. [ ]

A. agree with

B. understand

C. guess

D. know

5. The old man is hurt. We must send him to the hospital as soon as possible.[ ]

A. as quickly as possible

B. as soon as you can

C. as big as possible

D. very sooner

别行政区不实行社会主义制度和政策，保持原有的资本主要制度和生活方式（）年不变