Whether life will continue on the earth for millions of years ______will depend

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Whether life will continue on the earth for millions of years ______will depend on ____this problem can be solved.

A．to come; if

B．coming; if

C．to come; whether

D．coming; whether

答案

解析

略

举一反三

A rumor goes around _____the president will soon resign.

A．that

B．which

C．whose

D．as

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She is so beautiful a girl ___ we all like.

A．that

B．which

C．as

D．what

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_____ many times, but he still didn’t know what to do next.

A．Having been told	B．Although he had been told
C．He had been told	D．Having told

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— Is it OK if I take this seat?
—Sorry,___________.

A．here you are

B．take it

C．it is taken

D．never mind

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He went down into the cold water and after ________seemed a long time, he came out．

A．that

B．what

C．which

D．it

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