As far as the professor（ ） , college students should get into the habit of studying by themselves.

It’s too late to go out. _____， it’s going to rain.

（ ） his last word, he got into a taxi and disappeared in no time.

I’d like to see him in my office （ ） he arrives.

You can’t rely on Jane as she is ______ changing her mind and you will never know what she is going to do next.

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

This tape recorder is far _____ that one both in quality and in design.

He asks that he （ ） an opportunity to explain why he’s refused to go there.

I’m told that I will share an office room _____ five other newcomers.

Mr. Brown is supposed to （ ） for Italy last month．

A new technique （ ）, the output as a whole increased by 20 percent.

The young man still denies _____ the fire behind the store.