I know Beijing very well since I ________ there three times.

A. have been       　　　B. went　         　　　C. have gone

I hear there will be all kinds of robots________ twenty _____ time .

A. after, years B. in, years’ C. for, year’s

______ has Miss Green taught in your school? For about six years.

A. How long B. How soon C. How far

Because Robert was seen ____ the room, everyone thought he was the thief.

A. to enter B. enter C. entered

The price of the shoes ________than before.

A. is more expensive

B. is much higher 

C. is much lower

Every student as well as all the teachers ______asked to be on the playground to have a school meeting at once.

A. am B. is C. are

I have got some wonderful photos of the boy_______ the guitar on the left.

A. which play B. who plays C. that play

There are about _____ students in the school, and ____ of them are boys.

A. two thousand, three fifth

B. two thousand, three fifths

C. two thousands, three fifths

Could you tell me _______？

A. who wants to be a pilot

B. who do you want to help

C. whose eraser is this

Mr Clark was born in a small town of England. When he finished middle school, he found work in the police station and he has worked there 42 years and he'll retire(退休)this autumn. He tried to work hard in the past 42 years he wasn't a lucky man and never caught a thief. He was often sorry for it.

  Last weekend, when Mrs Clarke was cooking supper, she found there was no sugar. So she asked her husband some in the shop near their house. He came in the shop and found a young man stealing some money from a woman's bag. He ran to the thief , but the young man found and ran away at once. Mr Clarke ran after him. The thief ran into a blind alley（死胡同）and Mr Clarke caught him at last.

  "Please give me a chance, sir,"said the young man."I never stole before."

  "Who gives me a chance?" said Mr Clarke. "I'll soon retire and I caught a thief for the time!" 

1.A．for B．since C．in

2.A．and B．so C．but

3.A．buys B．buy C．to buy

4.A．quickly B．quietly C．carefully

5.A．last B. first C．second