Herman’s success is （ ） his hard work and his academic ability.

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

Many students thought about the third question for quite a while and had great difficulty answering it. Obviously， it was _____ all.

We could see the stars （ ） well from the top of the mountain.

______ , Martin can reach the branch of that tall tree at the gate.

In the swamp the army （ ） by mosquitoes.

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

I wrote it down_____I should forget it.

Realizing that he hadn’t enough money and _____ to borrow from his father, he decided to sell his watch.

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

I was （ ） the point of telling him the truth about his birth when his mother returned home.

Such a skilled tennis player knows how to take_____of his opponent’s (对手) chief weakness.