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

—Shall I inform him of the change of the schedule right now? —I am afraid you （ ）, in case he comes late for the meeting.

It is her beautiful eyes （ ） attract most of the fans.

These tickets for the performance are （ ） until the end of the month．

_____ the flood， the ship would have reached the destination on time.

Tom might not have made such a serious mistake if he _____ your advice.

Our daughter didn’t know what to （ ） when she first entered the university, as she hadn’t make up her mind about her future.

I suppose that when I come back in ten years’ time all these old houses _____ down.

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

I got so tired that I just couldn’t move a step _____.

His sickness, （ ） with terrible weather, has completely ruined this longexpected trip.

The degree （ ） you maintain your mental health may depend on certain simple environmental factors.