-The meeting is about to start, yet the speaker hasn’t turned up.- No one knows

—The meeting is about to start, yet the speaker hasn’t turned up.

— No one knows ____

A.what the matter is

B.what is the wrong

C.what is the matter

D.how matter stood

试题答案

C

考查宾语从句。句意：会议即将开始，然而演讲者还没有出现。没人知道是怎么回事。No one knows后是一个宾语从句，应用陈述句语序，what is the matter / what is wrong，怎么了，语序不变，所以选C。