Question

【题目】Please tell me how long ____________________?

A. the meeting has begun B. has the meeting begun

C. the meeting has been on D. has the meeting been on

Answer 1

【答案】C

【解析】

试题分析：句意：请告诉我会议开了多久。Begin开始，是一个瞬间动词，不可以和一段时间连用，要和一段时间连用，需换作be on。在宾语从句中只能使用陈述句语序，所以选C。