2. He is a student in a j high school.

3. I was born in Zhengzhou and it is my h .

1. Don’t sleep in the living room. Go to your b and sleep there.

4. We should try to help the people (在危急中) .

5. (多长时间) have you lived in Shanghai?

3. These old photos can always (带回) my happy days in the past.

2. I have (拥有这架照相机) for almost 10 years.

1. —Have you ever (卖你的旧东西) ？

--Yes,I have.

4. The meeting began half an hour ago.(改为同义句)

 The meeting for half an hour.

3. They have been friends for five years.(改为同 义句) 

They have been friends five years.

2. They have been away from their hometown for a long time.(对画线部分提问)

 have they been away from their hometown?

1. He bought the camera 5 years ago.(改为同义句) 

He the camera for 5 years.