Unlesstospeak,youshouldremains

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

A．invited

B．inviting

C．being invited

D．having invited

登录免费查看答案和解析

相关试题

It is said that more than ten thousand workers have ______ the strike(罢工).

A．joined	B．joined in
C．attended	D．take part

收藏答案/解析

This exam is very difficult. Many students are concerned ________the results.

A．about

B．with

C．in

D．of

收藏答案/解析

— Can you help me _________ all the money that I should pay?
— Very sorry. Please wait a minute, madam.

A．add up

B．add up to

C．add to

D．add together

收藏答案/解析

______ get a better score, she has been studying hard all day.

A．So as to	B．In order to
C．So that	D．In order that

收藏答案/解析

It is important to keep ______ in an emergency (紧急情况).

A．quiet

B．calm

C．silent

D．still

收藏答案/解析