The research is so designed that once ______ nothing can be done to change it.

　 A. begins 　 B. having begun

　 C. beginning 　 D. begun

　　 is a kind of food made from milk curds.

　 A. Cheese　　　 B. Sandwich　　　 C. Cake　　　 D. Cherry

--- I’ve read another book this week.

　 --- Well, maybe _______ is not how much you read but what you read that is important.

A. this　　　　　 　 B. that　　　　　　 C. there　　　　　 　 D. it

I____ go out tonight, if you don’t mind.

　　A. would not rather B. would rather not

　　C. would not rather to D. would rather not to

After the class was over，Li Ping apologized ________ the teacher ________ his coming late.

A．for; to 　　　　 B．because; to

C．to; because 　　 D．to; for

He changed his mind, _____ made his father very angry.

A. which 　 B. that　 C. / 　 D. in which

These street dancers dance fairly excitedly as if they ______ mad.

A. were　　 B. are　　 C. should be　　 D. would be

She is in a poor　　 of health, which worries her mother very much.

A. position　　　 B. situation　　　　　 C. state　　　　　 D. condition

Daniel, you 　　　into things . How can anyone be so clumsy?

A．a(chǎn)lways knock　　　　　　　　　 B．a(chǎn)re always knocking　　

C．a(chǎn)lways look　　　　　　　　　　 D．a(chǎn)re always looking

If you want to learn skating, it is important to learn____yourself.

A. to keep to blame　 B. to keep balancing　　 C. to keep skating D.to keep to skate