题目内容
3. 乘地铁
3. take the subway
( ) 5. ―Have you cleaned the room ？
一Yes,I have cleaned it. But I haven't finished my homework .
A. yet;already;yet B. already;yet;already
C. yet;already;already D. already;yet;yet
4. She has heard a song about (return) home.
2. Mike,John and I are good friends. We always help (互相) in study.
( ) 4. ―Can you sing this song?
―Of course. It many times on TV.
A. played B. has played
C. is playing D. has been played
8. 导致
5. Did you have f in the water park?
―Yes,we really had a wonderful time.
7. social groups
1. 自然环境
