3. When it became dark, there was nothing 　　　　　　　　　(see) in the room.

2. When the family had lunch, it 　　　　　　　　(rain) outside.

1. Is the Great Wall one of　 　　　　　　　　(great) wonders of the world?

8. They planted some trees and flowers　 　　　　　　every side 　　　　　　　the house.

7. I live on the fifth floor. Linda lives two floors 　　　　　　me, on the third floor.

6. - When will the guests arrive here?

-　 　　　　　　five minutes.

5. Do you often help your mother 　　　　　　　the housework?　

4. Who sits 　　　　　　　front of you in the classroom?

3. Mary stood 　　　　　　　the desk while her mother was explaining the problem to her.

2. “How many ways have you thought 　　　　　　　to solve the problem?” the teacher asked.