There can be no doubt ____someone had visited the house before they arrivedA.thatB.whetherC.howD.why选哪个?

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There can be no doubt ____someone had visited the house before they arrivedA.thatB.whetherC.howD.why选哪个?
There can be no doubt ____someone had visited the house before they arrived
A.that
B.whether
C.how
D.why
选哪个?

There can be no doubt ____someone had visited the house before they arrivedA.thatB.whetherC.howD.why选哪个?
选A there's no doubt that 固定搭配 there can be no doubt 应该也用that

A

A. no doubt that/doubt whether

A