6.嘴里吃着东西说话是不礼貌的。It’s ______ _________to talk with a full mouth.

5.我们发现日语比英语更难学。　 We find that Japanese is ______ _______ _____ _____ than English.

4.我最大的挑战是学习怎样得体就餐。 　My biggest ________ is _______ _____ ____ ______ at the dinner table.

3.在中国，初次见面，你应该握手。　

In China，you’re _______ _____ ______ _____ when you meet someone for the first time.

2.汉语语法和英语语法大不相同。　　 The grammar of Chinese _____ _______ _________ _____ that of English.

1.没有必要感谢我，这是我的本职工作。　 There is ____ _____ ____ thank me. This is only my job.

3.I used to ________ (watch) TV　 at night.　　　　　　 4.It’s rude _______ (say) you’re full.

1.Mr White is used to _______ (use)chopsticks now.　　 2.He knows how ________ (toast)at dinner in China.

16.(　　 )------What happened to him ?　 -------- He fell off the bike . He _________ careful at first.

　 　　　A should be　　 B must be　 C should have been　 D must have been

15.(　　 )It’s very kind _____ her ______ after the old man.　　 　

A for; to look　 B for; look　 C of; to look　 D of; look