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We will soon discuss the problem____we should take some effective measures to protect the animals and plants in our region.A.which B.whether C.that D.if

分类: 作业答案 • 2021-12-20 03:36:36
问题描述：

We will soon discuss the problem____we should take some effective measures to protect the animals and plants in our region.
A.which B.whether C.that D.if

答

C 因为这显然是一个同位语从句 用that 作先行词

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