Our visitors decided to stay in our city for _____ two days as they wanted to have a look around.

She has （ ） chance to win the election as her opponent is too strong.

Only those who have tasted bitterness will （ ） among others.

Don’t talk about such things of （ ） you are not sure.

Hardly （ ） how I passed the interview.

It is important that the boy （ ） an adult to take care of him.

Space vehicles were launched into outer space_____search of another living planet.

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

Bill had drunk （ ） as he did but without any obvious ill effects.

My job as a research assistant is very specialized_____, which demands a lot of academic knowledge.

They were talking （ ） while preparing dinner.

We arranged to meet at the station but she did not （ ）.