4. Zhao Lei is going to visit the museum tomorrow.(就画线部分提问) 

    Zhao Lei   visit the museum?

3. Could I go out now?(作肯定回答)

   ,   

2. Sun Ning sweeps the floor every day.(改为否定句)

  Sun Ning    the floor every day.

1. Could you please fold your clothes?(改为祈使句)

        ，please.

()5. It’s not good for young students to stay late at night.

   A. off   B. up

   C. out    D.at

() 4. —Jim,come out!Let's go to play football.

       —Sorry.I’m working a math problem。

   A. out   B. on

   C. for   D. with

()3. 一Could I watch TV this afternoon?

    一Yes,you can. But first you do your homework.

   A. can   B. have to

   C. may   D. could

() 2. After he finishes  the show,he will help out with a few things.

   A. watch   B. watching

   C. watches   D. to watch

Ⅲ.单顶选择

() 1. Mother has to the bed for her son every morning.

   A. make   B. put

   C. take   D. get

5. My sister often cleans the (dish) after meals,she's a very helpful girl.