These three teachers vary_____their manners of teaching.

We didn’t finish the work in time. You _____ us since you were there.

He works too hard.That’s _____ is wrong with him.

Today, household chores have been made much easier by electrical （ ）.

It was once a difficult time, but in the end everything _____ all right.

The manager urged his staff not to （ ） the precious opportunity.

_____ some more time, and I will find a solution to the problem.

It is （ ） impossible to work with this noise around.

At the 60th anniversary, the guests sitting in the front are those ______ graduates from the university.

The new house I moved in last month is very （ ） for me as I can get to my company by a direct bus within twenty minutes.

After （ ） seemed to be an endless wait, it was finally his turn to have the interview.

Born into a family with three brothers, David was （ ） to value the sense of sharing.