His ability has never been in doubt ― the question is ______ he is prepared to work hard.
A. whether           B. if
C. that            D. where

_______ as the "first lady of speech", Dr, Lillian Glass is recognized as one of the world’s leading experts on communication skills. (2006年江西模擬題)

A. Knowing　 　　B. Having known　 　 C. Known　 　D. To be known

How many j＿＿＿＿ have been invited to the competition?

Would you please say your number again? I didn’t _______just now.

　 A．put it down 　 B．put it up C．put it out D．put it off

Records, ____, walkman CD and MD are the same instruments that we can use to enjoy music.

A. tapes　 B. hammers　 C. diamonds　 D. telegram

The model for Leonardo da Vinci’s Mona Lisa is believed　　 in the convent（修道院）at the age of 63 in 1542.

　 A．to die B．to have died　 C．dying　 D．having died

Some developed countries are trying to ____ the serious problems resulting from the energy crisis.

A. step up　 B. cope with　 C. cut off D. end up

Lang Ping, who is said to have started her coaching career in America, ____ volleyball in China for almost twenty years.

A、played B、have played　 C、was playing　 D、had played

A: A World Without Thieves is famous all over the world.
B: A World Without Thieves is well-known         the world.

----_______ I tell the head teacher all that has happened??　

----No, you _______! Mr. Xin would be terribly angry.

A. Will; needn’t 　 　B. Would; can

C. Should; mustn’t 　 D. Must; don’t have to