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

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

3 . 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）

4 . Suddenly a shrill whistle ________(hear). Heidi paused in her dancing, and the grandfather came out. (所给词的适当形式填空)

5 . The teacher spoke louder to make himself______________(hear), but he failed. (所给词的适当形式填空)

6 . I am looking foreword to ________ (hear) from you soon! (所给词的适当形式填空)

7 . The children talked so loudly at dinner table that I had to struggle in order ____________ （hear）by them.

8 . The music was very loud and could ________ (hear) from a long way away. (所给词的适当形式填空)

9 . The speaker raised his voice in order to make himself ________ (hear).（所给词的适当形式填空）

10 . She had to shout to make herself ______ (hear) above the sound of the music. （所给词的适当形式填空）