The question is it is worth doing.A.ifB.whetherC.whichD.what
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The question is ________ it is worth doing.
A.if
B.whether
C.which
D.what
试题答案
B
解析:whether在这里引导一个表语从句.
The question is ________ it is worth doing.
A.if
B.whether
C.which
D.what
B
解析:whether在这里引导一个表语从句.