In order to protect the environment, people in Japan have to _________ for their trash．

A．cost            B．pay           C．spend              D．take

Qian Xuesen is known as China's "father of space technology" and "king of rockets"． He died  _________ October 31 at the age of 98．

A．in           B．on                  C．at                  D．of

Some students spend _________ time on the lnternet．They forget to study, eat and sleep．They can't even communicate with people in real life．

A．too many                   B．many too            C．too much          D．much too

If you really hold on to your dreams, they _________ true one day．

A．came          B．comes          C．has come           D．will come

There  _________ a tiger and two chimpanzees in the zoo．Let's go there this weekend．

A．are               B．has                 C．is                 D．have

A great meeting about weather change _________ in Copenhagen （哥本哈根）in December, 2009．

A．took place             B．took pride           C．took care            D．took after

In fact, China is one of the 13 thirstiest countries _________ it has the world's third largest water supply （可用量）．

A．until          B．if            C．though            D．because

I must return the dictionary to Allen now．I _________ it for three weeks already．

A．kept          B．will keep             C．keep          D．have kept

Teenagers love teachers _________ are energetic and friendly．

A．whom              B．who                C．which              D．/

—Your father is sleeping．Would you mind turning down the TV?

—_________．I'll do it right away．

A．Not at all            B．Of course           C．No way            D．Sounds good