He could run faster than any other kid in the school ______ he was only eleven years old.

A. as if　 　 B. though　　 C. as long as　　 D. since

Only when _____ possible to settle the problem.

A. does the chief editor come will it be　　　　　 B. the chief editor comes will it be

C. has the chief editor come it will be　　　　　 D. the chief editor comes it will be

He was unhappy at school today, _______?

A. was he　　 　 B. wasn’t he 　　 C. did he 　　 D. didn’t he

_____ for a long time, most of the crops in this area died from lacking water.

　 A. Being no rain　　　　 B. There was no rain　

C. To be no rain 　　　　　 D. There being no rain

---- Was ______Jane?

---- Yes, it was_____ who phoned..

A. she , her　　 B. it , she　　 C. that , her　　 D. her , she

He has two sons, __________ work as chemists.

A. two of whom　 B. both of whom 　 C. both of which 　　 D. all of whom

Step By Step is the only one of the books ________ with the tape in the bookshop.

A. that goes B. that go　　　　 C. which goes　　 D. which go

—Do you want to go out tonight?

— ___ , it’s up to you．

A．Yes, I want to　　　　 　　　　　　　　 B．That’s all right

C．I’m easy　　　　　　 　　　　　 D．No problem

Is this factory ___________?

A. the one your father works in　　 B. where your father works

C. which your father works　　　 D. your father works in[来

Charles Babbage is generally considered　　 the first computer．

　 A．to invent　 B．inventing　 C．having invented 　D．to have invented