Question

【题目】When you are at home, give a call to let me know you ______ safely.

A. are arriving B. have arrived C. had arrived D. will arrive

Answer 1

【答案】B

【解析】句意：当你在家的时候，打个电话告诉我你已经平安到达了。考查时态辨析。A. are arriving现在进行时；B. have arrived现在完成时；C. had arrived过去完成时；D. will arrive一般将来时。“安全到家，应在给我打电话之前”，结合句意和语境可知用现在完成时，选B。