1 . From the ______ look on his face, he must have seen something ______. (frighten)

2 . I think the concert was very ______.(relax) (所给词的适当形式填空)

3 . The children's laughter made him ______.(satisfy) (所给词的适当形式填空)

4 . I read an ______ story about a volunteer teacher.(encourage) (所给词的适当形式填空)

5 . The most______（令人吃惊的）thing about nature is its variety.

6 . The __________(embarrassment) look on his face suggested that he hadn’t expected that.

7 . It’s _______(恐惧) to think how easily children can be hurt.

8 . As a little girl, I’m not brave and am f________ of walking home alone in the dark.

9 . He was _______（frighten）to death by the strange snake。

10 . I was walking to school this morning when I witnessed a terrible traffic accident, which was really_______(frighten).