He set off one hour earlier to _____ he could catch the 12 o’clock train.

The purpose of the conference is to （ ） the friendship among the Asian countries.

The patient’s progress was very encouraging as he could_____get out of bed without help.

Many teenagers feel no difficulty （ ） computer.

He studies so hard to avoid （ ） at the bottom of the class.

Smoking is not good （ ） you because it can affect your health.

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

I was now in a relaxed mood and had no desire （ ） the man make a fool of himself.

It is essential that all these figures （ ） twice.

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

No one except two servants （ ） late for the dinner.

It’s vital that enough money_____collected to get the project started.