1 . I guarantee__________ (pay) off his debts when I earn money. (所给词的适当形式填空)

2 . Now our government calls on (号召) us to live a low-carbon life. Of course, we should make a _________ (respond) to it actively. (所给词的适当形式填空)

3 . ____________ (surround) by the clear waters, this forest can provide visitors with a wonderful chance to see endangered birds in the wild. (所给词的适当形式填空)

4 . I am most upset _______________(hear) that the teenager hasn’t recovered from the operation.

5 . He was a poor ___________ and can't find a job until now. (perform) (所给词的适当形式填空)

6 . If we try to keep it a secret, she is ____________ (guarantee) to find it out. (所给词的适当形式填空)

7 . As we all know, Chinese food is famous for its wide __________ (vary) throughout the world. (所给词的适当形式填空)

8 . They have been discussing the problem for two hours, ________ (reach) no agreement at last. (所给词的适当形式填空)

9 . The girl tried many kinds of jobs, varying from a teacher __________ a cook. (用适当的词填空)

10 . After hearing Steve’s playing, Naomi _________deeply _________(impress) by his music. (所给词的适当形式填空)