Unless to speak, you should remain silent at the conference. A. invited B. inviting C. being invited D. having invited 题目和参考答案——青夏教育精英家教网—

题目内容

Unless ________ to speak, you should remain silent at the conference.

A. invited

B. inviting

C. being invited

D. having invited

答案：A
解析：

这句是省略句，全句为unless you are invited to speak，…

提示：

练习册系列答案

相关题目

A beam of light will not bend round corners unless______to do so with the help of a reflecting device . A.having been made B.being made C.made D. you make

In the lecture, little Tom kept silent all the time unless _________ to express his opinion.

A. he invited B. he is invited C. invited D. being invited

Unless ___ to speak, you should remain silent at the conference.

A．invited

B．inviting

C．being invited

D．having invited

Unless________ to speak, you should remain silent at the meeting.

A．invited	B．inviting
C．being invited	D．having invited

．_________we are allowed- , we can’t drink any beer.

A．As long as; to do B．Unless; to

C．Until; doing D．On condition that; doing so

试题分类