－Where did you go _ the morning of April 6?－I didn’t come to the office _ the meeting was ov

题目简介

－Where did you go _____ the morning of April 6?－I didn’t come to the office _____ the meeting was ov

－Where did you go _____ the morning of April 6?
－I didn’t come to the office _____ the meeting was over.

A．in, when

B．at, unless

C．on, until

D．to, though

题型：单选题难度：偏难来源：不详

确指某天的上午、下午或晚上时要用介词on not…until固定结构。