Step 4 学英语就必须勤学苦练，学而不练，事倍功半，下面就做几个练习吧。

1. The editor ____ having all the facts and figures.

a. insists on b. wants c. requires

2. If you let the thief go ,you must be prepared to bear the ______.

a. sequence b.consequent c.consequences

3 We simply can't understand the reason for the editor's_____ on facts and statistics.

a. persistence b.requirement c.insistence

4. After a year's preparation,the historian is ready to write a book _____ the disturbance that took place last year.

a. about b.concerned c.with

5. In ancient China,people used to build a wall that ______ a city.

a.around b.surrounded c.round

6. I am your guide and I have been _____ to show you the city.

a.instructed b.informed c.said

7. We think his suggestion is worth______.新概念英语视频

a. to be considered b.considering c.being considered

8. The magazine _______ to press. (l.10)

a. was b. had gone c. was about to go d. was due

9. He informed _____ while carrying out his instructions. (ll.15-16)

a. his arrest to the editor b. the editor his arrest

c. the editor of his arrest d. the editor that his arrest had been

10. Editors of newspapers and magazines often go to extremes to provide their _____ with unimportant facts and statistics. (ll.1-2)

a. audience b. lectures c. public d. common