He will be back __ a few weeks.A.in B.on C.for D.at选择正确答案.

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Hewillbeback__afewweeks.A.inB.onC.forD.at选择正确答案.Hewillbeback__afewweeks.A.inB.onC.forD.at选择正确答案.Hewi

He will be back __ a few weeks.A.in B.on C.for D.at选择正确答案.
He will be back __ a few weeks.A.in B.on C.for D.at
选择正确答案.

He will be back __ a few weeks.A.in B.on C.for D.at选择正确答案.
A.in

A,in 表示未来的期限