Judging from　　 look on his face, he must have　　 news of great excitement to tell us.

A、the; a　　　 B、/;/　　　　 C、the; the　　 D、the;/

He got a ____ for his invention, which made his parents very happy.

A. patient　　 B. patience　　 C. patent　　 D. patch

I read about it in some book or other, does it matter _____ it was?

A. where　　　　　　　　　　　 B. what

C. how　　　　　　　　　　　　 D. which

——Someone might see us.

——　　 ? We’re not doing anything illegal.

A. So what　　　 B. What for　　　　　 C. Why not　　　　　 D. What’s up

I _____ you good luck on your journey.

A. wish　 B. hope　 C. want　 D. expect

It is no (疑問(wèn))________that he always gets the first in the competition. The key lies on his

　 hardworking.

________ the right decisions ________ the future is probably the most important thing we'll ever do in our lives.

A．Making; concerned 　 B．Make; concerning

C．To make; concerned 　 D．Making; concerning

In some cases，different approaches ________ the same scientific problem lead to conflicting theory.

A．to 　　　　　 B．in 　　　 C．of 　　　　 D．for

The most important thing____ we should pay attention to is the first thing____ I have said.

A. which, that　 B. that, which　 C. which, which　 D. that, that

The discovery of gold in California 　　　 a rush to get there.

　 A．set off　　 B．set up　　　 C．set out　　 D．set in