-Whereishepostinghisletter?-________．A.ByairmailB.AtthepostofficeC.Athom

发布时间：2020-08-04 22:28:04

-Where is he posting his letter?-________．A.By air mailB.At the post officeC.At homeD.For his brother

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B解析特殊疑问词是问where，回答必须是寄信的地点．
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