题目内容

The teacher wasn’t happy because ______ know the answer.

A. no one
B. anyone
C. someone
D. everyone

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_______is one of the most important inventions, because it made it much easier tolive and work in very hot parts of the world.

A. Refrigerator
B. Internet
C. Air conditioner
D. Airplane

We are pleased to announce that the 12th annual meeting will____ at our college.

A. take place
B. held
C. replace
D. set up

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A. efficient
B. effective
C. dramatic
D. effect

The nominee can either accept and donate money to the ALS Association ____ refuse and donate more money.

A. as
B. but
C. than
D. or