问题描述：
请教：Do you know _____ we'll go get there at3:00 this afternoon?
A:Do you know _____ we'll go get there at3:00 this afternoon?
B:I am afraid we'll be late.
A.that B.How C.Why D.whether
这道选哪个,为什么?
A:Do you know _____ we'll go get there at3:00 this afternoon?
B:I am afraid we'll be late.
A.that B.How C.Why D.whether
这道选哪个,为什么?
问题解答：
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