1 . The girl answered the question in such a low voice that she couldn’t make herself________(hear) by others. (所给词的适当形式填空)

2 . The speaker raised his voice but still couldn’t make himself ______(hear). (所给词的适当形式填空)

3 . I’m looking forward to ______ (hear) more details from you soon. (所给词的适当形式填空)

4 . Look at his sad face! He must ________(hear) of the bad news. (用所给词的适当形式填空)

5 . I look forward to ________ (hear) from you in the near future. (所给词的适当形式填空)

6 . Graham was very difficult before he came into my class. I ______________ (hear) stories about his bad behavior. （所给词的适当形式填空）

7 . I was shocked ________ (hear) that a large number of pangolins (穿山甲) were being killed for their medical value. (所给词的适当形式填空)

8 . I was shocked ________ (hear) that our factory would have to close. (所给词的适当形式填空)

9 . I am sorry___________(hear)such bad news. (所给词的适当形式填空)

10 . ________ (hear) the bad news, they couldn’t help crying. (所给词的适当形式填空)