1. 用所给词汇的正确形式填空

Astonish   regardless of   desperate   convince   be in for   seat   busy oneself   compensate

1. （1） Remain until the lecture comes to an end.
3. （2） There was a shortage of doctors after the earthquake.
5. （3） He has made progress in such a short period.
7. （4） The researchers carried out the experiment the cost.
9. （5） It's hoped that the new car's style and design will for its lack of speed.
11. （6） He is afraid that he another very cold night, caught in the mountain.
13. （7） When I came in, he answering the e-mails.
15. （8） The boss is of his ability to deal with urgent matters.