Some say yes and others say no; I don't know （）to follow.

Since we can't hear you at the back of the hall, you'll have to（）your voice.

Mr. Edward was not in, so his brother acted as （）at the party.

Mr. Sanders has been asked to（）the next meeting of the committee.

She couldn't（）laughing at him in those clothes.

The aircraft vanished without（）

In China,it is quite (nature)（） for people to go back home for the Spring Festival.

The survivors（）to a floating tree in hopes of rescue.

Nobody knows how long and how seriously the shakiness（不穩(wěn)定） of big businesses will （） down the economy.

I could not persuade him to accept it,（）make him see the importance of it.