10．　　　　　　　 If you are late for class, you should a____________ to your teacher.

9．　 You are a bit absent-minded ;You should f__________ your attention on your study.

8．　 His questions placed me in a d______________ ;I don’t know how to answer them.

7．　 He never invites his friends to dinner. He is very m________ with money.

6．　 Don’t laugh at him .It’s impolite to t___________ others.

5．　 I can’t stand your ________________(行为).It made me a bit ________________(尴尬)

4．　 You’d better ___________ (原谅)him ;he didn’t do it _______________________(故意地).

3．　 Finally he __________(承认) committing that crime.

2．　 He pretended not to find his mistakes ;it is ___________(愚蠢) of him to ____________ (忽略)his own mistakes.

1．　 If you __________ (背叛) your friend ,you will lose him.