Carbon dioxide ________ from burning fuels is the most common of the so?called greenhouse gases.

A．producing

B．having been produced

C．to be produced

D．produced

She has three brothers, _______ is a doctor.　

A. all of them 　　　　　　　 B. none of them

C. all of whom 　　　　　　　　 D. none of whom

—Daddy, which of these smart hats do you like best in the hat shop?

—__________. They are both expensive and less warm-keeping.

　 A．Either　　　 B．Nothing　　 C．Neither　　 D．None

--Where is Xiao Wang?

--I don't know. He__________ be in the library.

A. can　　　　　 B. must　　　　 C. might　　　　 D. may

--- Would you have called her up had it been possible?

　 --- Yes, but I 　　 busy doing my homework.

　 A．was　　　　 B．were　　　　 C．had been　　 D．would be

The man refused to admit that he was guilty as the court had judged, and ________the High Court.

　 A. adapted to B. related to　　 C. appealed to　 D. referred to

—How is everything??
—_______.?
A.Very well ,thank you B.Not too bad?
C.I'm all right ,thanks D.Not at all

---What did you think of the concert.
    ---Oh, it was      success.
    A. a very      B. quit a       C. so       D. really

As we all know, the government is now making every _________ to set up a harmonious society.

A. effort　　　 B. effect　　　　　 C. measure　　　　 D. performance

You should explore your talents so as to find out 　　　your real interests lie.

　 A．what　　　　 B．which　　　 C．where　　　 D．how