1 . 及时复习你所学过的知识是多么有必要啊！
________ it is to review what you have learned in time!

2 . 令我惊讶的是，中国已经在太空方面取得了巨大的进步。
________, China has made great progress in space.

3 . 闻一多宁愿失去生命，也不愿意放弃真理。
Wen Yiduo preferred losing his life to giving up the ________.

4 . He hurt himself when playing football yesterday. (改为否定句)
He __________ __________ himself when playing football yesterday.

5 . Bob cleans the classroom every Thursday. (用now改写句子)
Bob ________ the classroom now.

6 . They’re having a good time at the party. (改为一般疑问句)
________ they ________ a good time at the party?

7 . Our school trip is going well. (对画线部分提问)
________ ________ your school trip ________?

8 . What is the weather like in Nanjing today? (改为同义句)
________ the ________ in Nanjing today?

9 . Aunt Susan is playing ping-pong now. (对画线部分提问) 
________ ________ Aunt Susan ________ now?

10 . 我的妈妈总是说：“金窝银窝不如自己的狗窝。”
My mother always says, “There is ________ _________ _________ __________. ”