5. They should do like this.(改為否定句) 

They like this.

4. He went to Beijing. He wanted to make much money.(合并為一句) 

He went to Beijing make much money.

3. I think she is right.(改為否定句)

I she is right.

2. Can you lend your bike to me?(改為同義句) 

Can you your bike?

1. He is going to look after his grandma well.(改為同義句)

He is going to his grandma.

5. 一Do you think that we should do something to help him?

--.

   A. That's all right   B. It's not so

   C. I think not   D. I think so

4. It's important for us English well.

   A. learn   B. learning

   C. to learn   D. learned

3. Could you please me Mary's telephone number? I want to call her.

   A. to give   B. give

   C. giving   D. to giving

2. All of us were in when we saw the foreigner.

   A. surprise   B. surprised

   C. surprising   D. surprises

1. —Jim,come out. Let's go to play football.

—Sorry. I'm an article.

   A. working out   B. working on

   C. working for   D. working with