1 . I appreciated________(give)the chance to study abroad two years ago.

2 . I have a sweet tooth and can’t resist ________(eat) chocolate and ice cream.

3 . The purpose of education is not only the __________ of knowledge. And it also means __________ intelligence as well as abilities.(accumulate)

4 . The discovery of new evidence led to the thief ________(catch).

5 . Some people haven’t realized something as common as ________(expose) to the sun for a long time will do harm to their skin and even cause skin cancer.

6 . I threatened to report the taxi driver for illegally ________(reject) a passenger, but he pointed at his “Not for Hire” sign and drove away.

7 . Proper measure must be taken to prevent the river nearby from ________ (pollute).

8 . 一听到这个让人迷惑的问题，他感到迷惑不解，脸上出现了迷惑的表情。
_________________ the _____________ problem, he felt ___________ and there was a _________ look on his face.

9 . ______(find) a job is difficult these days, so you must study hard and go to a key university. (所给词的适当形式填空)

10 . ________ (expose) to sunlight for too much time will do harm to one’s skin.