A. yet
B. however
C. still
D. at the some time

A. will finish        
B. finishes      
C. finish        
D. have been finishing

1. Don't bring friends from other schools, or  the teachers will ask them to leave. (改为同义句)
    _____ _____ bring friends from other  schools, the teachers will ask them to leave.
2. I will play volleyball if it is fine tomorrow. (对划线部分提问)
    _____ _____ you _____ if it is fine  tomorrow?
3. The students stood there and didn't know  what they should do next. (改为同义句)
    The students stood there and didn't know_____ _____ _____ next.
4. They are going to do more practice. They will  win the match. (改为含有if条件句的复合句) 
    They_____more practice, they _____ _____ the match.
5. If you study hard,  you'll catch up with  others. (改为并列句)
    _____ _____, or you'll fall behind others.

1. Let's walk quickly, or we'll be late for school. (改为含有条件状语从句的复合句)
    ______we______ ______ quickly, we______ ______ late for school.
2. We are eating dinner now. (用at this time yesterday替换now)
    We ______ ______ dinner ______ ______ ______ ______．
3. He said,"I will buy a soccer ball for my best friend." (改为间接引语)
    He said that ______ ______ ______ a soccer ball for ______ best friend.
4. There will be more robots in the future. (改为一般疑问句)
    ______ ______ ______ more robots in the future?
5. We will go to America in two weeks. (对划线部分提问)
    ______ ______ ______ you go to America?

A. In the end    
B. No matter    
C. By the way    
D. In fact

1. When it gets dark, the people ________ (set) off firecrackers.
2. They ________ (begin) to plant trees as soon as they get to the park.
3. She'll go shopping with me if she ________ (have) free time.
4. If he ________ (come) back,ask him to call me back.
5. He ________ (not come)if you don't invite him.

A. will go
B. go
C. have gone
D. went

A. finishes
B. doesn't finish
C. will finish
D. won't finish

A. won't rain
B. didn't rain
C. doesn't rain
D. isn't raining

A. come
B. doesn't come
C. will come
D. coming