1 . He is so shy that he dislikes _________ (praise) in public, especially before his classmates. (所给词的适当形式填空)

2 . If wastes were not recycled, they would end up ________ (burn), giving out greenhouse gases. (所给词的适当形式填空)

3 . Being ________ (expose) to foreign surroundings strengthens my general competence and my ability to cooperate with others. (所给词的适当形式填空)

4 . All the people present at the meeting think that the problem is worthy of ________ (discuss). (所给词的适当形式填空)

5 . He insisted on ________ (send) to hospital. (所给词的适当形式填空)

6 . The hiker started wearing insect repellent to avoid ________ (bite) by mosquitoes in the dense forest. (所给词的适当形式填空)

7 . In order to avoid ________ (catch) by the coming policemen, the thief quickly jumped out of the window. (所给词的适当形式填空)

8 . I can’t risk ________(cast) as a dishonest guy who is always telling a lie. （所给词的适当形式填空）

9 . The exhibition is worthy of ________________ (visit). (所给词的适当形式填空)

10 . The radiation amount of a mobile phone for half-hour periods per day is equal to, according to a recent medical study, ___________ (expose) to an X-ray for ten seconds.