I. 根据首字母和上下文完成句子：

1、We Chinese have friends t          the world.

2、A large v          is a must if you want to learn a language well.

3、A good advertisement should have persuasive language and c         images.

4、Both English and French are o        languages of Canada.

5、Overwork, little rest and poor food all c        to his illness.

6、With the d         of science and technology, more new products are made.

7、I think Tom will be a good r        when you are away.

8、A well written article should have both a good beginning and a good e         .

9、Tens of people were killed, some children i         .

10、The word “not” are p         differently in the UK and the USA.

11、Our school is a non-smoking one. So smoking is b      in our school.

12、She smiled to me, i        that she had seen me.

13、This is just a copy. Where is the o       ?

14、The story is written in s       English, so it’s easy for you to understand.

15、Water is the c       of oxygen and hydrogen.

16、The blacks are fighting against r       discrimination,

17、When you look into a mirror, you will see the r        image of yourself.

18、To build up your body, you should take exercise and do some p        labour.

19、Do you have any e       methods for studying the English language?

20、Taiwan is separated from m       of China by Taiwan Strait.