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- Kim, give me your report by 1O am.- have you been in charge of this project?A. Since when B. By wh

编辑:chaxungu时间:2026-04-27 02:58:22分类:高中英语题库

【题目】--- Kim, give me your report by 1O am.

--- __ have you been in charge of this project?

A. Since when B. By whom

C. For what D. From where

在线课程

【答案】A

【解析】

试题分析:句意:--- Kim, 10点前上交你的报告。---你从什么时候开始管这个项目了? Since后加具体的时间用when表示,有Since短语一般用现在完成时,本句是现在完成时,故选A。