1. She often helps her sister with her English.（改为同义句）
    She often helps her sister ______ ______ English.
2. He decided to buy a new car.（同上）
    He decided ______ ______ a new car.
3. She is a woman teacher.（改为复数形式）
    They are ______ ______. 
4. Please remember to bring it here.（改为同义句）
     ______ ______ to bring it here, please.
5. I went to bed after I finished my homework last night. （用not…until 改写句子）
    I _____  to bed  _____ I finished my homework last night.

1. All of my classmates like art. (改为否定句)
_____ _____ my classmates likes art.
2. No one knows about it. (改为反意疑问句)
No one knows about it, ______ _______?
3. I went to bed after I finished my homework. ( 改为同义句)
I ______ go to bed ______ I finished my homework.
4. If it doesn't rain tomorrow, we will go to the beach. (改为同义句)
_______ it    _____, we will go to the beach.
5. It's five months since the old man died. (改为同义句)
Five moths ______ ______ since the old man died.
6. I saw he was doing his homework just now. (改为同义句)
I saw  _____ ______ his homework just now.
7. We can't finish the work before ten. (改为被动语态)
The work  _____   _____ finished by me before ten.
8. The box is so heavy that I can't carry it. (改为同义句)
The box isn't ______ ______ for me to carry.
9. I haven't seen her since last week. (对划线部分提问)
 _____   _____ haven't you seen her?
10. Chinese is the most important subject of all. (改为同义句)
Chinese is more important than _____ _____ subject.