1 . His speech was greeted with ________( thunder ) applause from the audience. （所给词的适当形式填空）

2 . She found a ____________ (challenge) job as a computer programmer. (所给词的适当形式填空)

3 . ________ (absorb)in painting, John didn’t notice evening approaching. （所给词的适当形式填空）

4 . Teenagers who are________（addict）to the Internet are more likely to suffer from depression. （所给词的适当形式填空）

5 . In the coming three years,our school life will be ________(challenge). （所给词的适当形式填空）

6 . It’s ________ (legal) to drive through a red light. （所给词的适当形式填空）

7 . Medicine should not be kept where it is ________ (access) to children. （所给词的适当形式填空）

8 . One of the most ________ (stress) days of her life was watching her son get wheeled away for surgery hours after he was born. （所给词的适当形式填空）

9 . I have been eager to do something ________ (benefit) to the world. (所给词的适当形式填空)

10 . You’d better learn some ________(base) Chinese before you come to China. (所给词的适当形式填空）