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He still keeps ______ with his old friends．

　　A．stay in　　B．out　　C．on　　D．in touch

The families are _______ poor _________ the children can't go to school.

　　A.too;to　　B.so;that　　C.enough;to　　D.as;as

The great _______ has ________ hundreds of _________ so far.

　　A.inventor;invented;inventors　　

B.invention;invent;inventions

C.inventor;invented;inventions

D.inventions;invent;inventors

It took him about 20 years _________ the old men.

　　A.to look up　　B.take care　　C.look after　　 D.to take care of

The old scientist gave his life to ________ Chinese history.

　　A.study　　B.studying　　C.studies　　　　D.to study

I _________ on the computer when Jim came to see me yesterday evening.

　　A.draw　　B.drew　　C.was drawing　　　　D.am drawing

The books must __________ to the library on time.

　　A.be returned　　B.returned　　C.give back　　 D.be taken

You are very young.You must remember __________.

　　A.what your father said

B.what your father say　　

C.what does your father say　　

D.what did your father say

Beijing,the capital of China,is one of __________ cities in the world.

　　A.the biggest　　B.bigger　　C.much bigger　　 D.big

________ people will watch Beijing Olympic Games on TV in 2008.

　　A.Million　　B.Millions of　　C.Five millions　　 D.Millions