there are many questions we cannot answer,but_we not at least ask them?A.need B.should C.must D.dare

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there are many questions we cannot answer,but_we not at least ask them?A.need B.should C.must D.dare
there are many questions we cannot answer,but_we not at least ask them?
A.need B.should C.must D.dare

there are many questions we cannot answer,but_we not at least ask them?A.need B.should C.must D.dare
c

B
有很多问题我们无法解答,但我们至少不应该问一下吗?

选B
need后应带不定式to
must与not 连用表禁止
dare是“敢做……”的意思

B

B