This is the new type of plan_____ parts are made in China.

A. what　 B. that　 C. which　 D. whose

____the people have become masters of their own country that science can really serve the people.

A. Only then　　 B. It is only when　 C. Only when　　 D. It is only then

In the past 10 years I have never had such a better delicious f________ than this!

Pluto, the outermost planet of the solar system, _____photographically in March 1930.

A. discovered B. was discoveredC. by discovery  D. when discovered

I ______ have been more than six years old when the accident happened.

A. shouldn’t　　　 B. couldn’t　　　 C. mustn’t　　　　 D. needn’t

I’m very busy today and can’t go with you, but _______ time next Monday will do.

A. other　 B. no　　 C. any　　 D. each

Nowadays in China some officers are unfit for their positions, _____?

    A. are they          B. aren’t they      　 C. don’t they          D. do they     

The experts didn’t agree on the l________of the new chemical plant.

After arriving in New York，the Chinese college student found it rather hard to ________ living on his own.

A. rely on　 　　　 B. bring up

C. depend on　　 　　 D. adjust to

Since people are fond of humor, it is as welcome in conversation as___else.

A. anything　 B. something　 C. anywhere　 D. somewhere