Question

【题目】Could you tell me how long ______ the navy?

A. you have joined B. have you joined

C. you have been in D. have you been in

Answer 1

【答案】C

【解析】考查时态。句意：你能告诉我你在海军服役多长时间了吗？现在完成时态和一段时间连用，谓语动词用持续性动词，故答案为C。