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Many scientists in the West hold the view that it will be no longer a question s

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Many scientists in the West hold the view that it will be no longer a question s

Many scientists in the West hold the view that it will be no longer a question soon ________ man can report the earthquakes, volcanic eruptions and tsunamis.

[]A.

after

B.

whether

C.

if

D.

that

试题答案

答案:D