We live in computer age（时代）．People (1) scientists，teachers，writers and even students use computers to do all kinds of work．But more than 30years ago． (2) couldn't do much．They were very big and expensive．Very few people were (3) in them and knew how (4) them．Today computers are smaller and (5) ．But they can do a lot of work．Many people like to use them．
Computers become very important because they can work (6) than people and make fewer mistakes．Computers can (7) people do a lot of work．Writers now use computers to (8) ．Teachers use them to help teaching．Students use them to (9) ．Computers can also remember what you (10) them．Computers are very useful and helpful．They are our friends．Do you want to have a computer？

(1) A. 1ike

B. as

C. and

D. with

(2) A. students

B. scientists

C. teachers

D. computers

(3) A. interest

B. interesting

C. interested

D. interests

(4) A. use

B. using

C. to use

D. used

(5) A. cheap

B. cheaper

C. more expensive

D. expensive

(6) A. fast

B. faster

C. slow

D. slower

(7) A. help

B. make

C. stop

D. use

(8) A. write

B. play

C. study

D. 1earn

(9) A. sing

B. study

C. dance

D. watch

(10) A. put in

B. put on

C. put into

D. put up．