Scientists say it may be five or six years （ ） this medicine is tested on human beings.

After （ ） seemed ages, the newsman disclosed the facts.

The hotel couldn’t offer （ ） for all four of us.

If you don’t agree with me, （ ）.

I am looking forward to _____ from you as soon as possible.

The shy girl felt quite （ ） and uncomfortable when she could not answer the interviewer’s question.

The sales manager had his secretary _____ a press conference for their new products.

Mr. Herpin is one of the foreign experts who _____ in China.

Fast food doesn’t seem like a good idea, for it is （ ）.

Most people make such mistakes （ ） in their whole life.

To save energy, people have to （ ） their electricity consumption.

Three of us will go there, and the rest （ ） to stay here.