2 . China needed its own powerful air force to protect and d__________（保卫）the country. (根据中英文提示单词拼写)

3 . I’m writing to ______   ______ (申请) the position as a student volunteer. (根据汉语提示完成句子)

4 . Siberian tigers and leopards need large areas ________ (hunt) for food. (所给词的适当形式填空)

5 . Every minute is made full ________ of ________ our lessons.

A．to use, study

B．use, studying

C．useful, to study

D．use, to study

6 . _________ (make) our school life more colorful, we will organize a variety of extra-curricular activities. (所给词的适当形式填空)

7 . The judge leaned over to ______(耳语) in Wendy’s ear. （根据汉语提示单词拼写）

8 . ________(keep) their body under control, astronauts have to move slowly. （所给词的适当形式填空）

9 . You’d better keep this card at hand so that you can get in touch with us easier. (同义转换)
You’d better keep this card at hand ______ ______ ______ ______ in touch with us easier.