4. It's time for dinner.(改为同义句) 

It's time dinner.

3. (2014 •湖北荆州模拟) You should write him a letter.(改为同义句) 

You should a letter him.

2. They study hard. They can get into a good high school.(合并为一句) 

They study hard they can get into a good high school.

1. (2014 •江苏宿迁模拟) The tired children got home after 7 p. m.(改为同义句)

 The tired children get home after 7 p. m.

5. 依我看，你这样做是不对的。

  ，it's not right for you to do this.

4. (2014 •湖北黄冈模拟) 不要把你的孩子和别的孩子 相比较。

Don’t your children other children.

3. 这个孩子再也不哭了。

The child didn't cry .

2. (2014 •湖南益阳) 我妹妹害怕晚上单独出门。

My sister is going out alone at night.

1. (2014 •广东广州) 待在家里，直到你妈妈回来。

M Stay at home your mother .

5. What he said (cause) a lot of problems.That made others unhappy.