题目内容：

根据句意，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

1.Sometimes the same word has a slightly different meaning, which can be _________.(confuse)

2.___________(combine) of letters(like ough) may be pronounced in a number of ways.

3.The Chinese refer to their language ________Han,as it became popular among the people during the Han Dynasty.

4.But it has also led to lots of American words and structures ___________(pass) into British English, so that now some people believe that English will disappear.

5.You can hardly imagine the difficulty they had ________(feed) such a large population.

6.___________(compare) to the countryside life, the city life has lots of advantages.

7.The life of the city ____________(difference) greatly from that of the countryside.

8.In the _________(present) of his classmates, he is afraid to speak.

9.He was sad because of his teacher’s ________________.(criticise)

10.They make a __________(compare) between New York and Tokyo.

11.The president said he was satisfied with the visit to China, ___________(announce) that he would come in the future.

12.The nation’s unemployment rate has been climbing ______________(steady) since last July.

13.The book __________(refer) to by our English teacher is of great help.

14.There are __________(vary) of programmes on TV for children to learn about the world.

15.You need money and time, in ___________(add), you need diligence.