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

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

We don’t doubt _____ he can do a good job, concerning his experience.

Three of us will go there, and the rest （ ） to stay here.

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

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

When I was a child, I used （ ） to the river and bathe in the evening.

The football player is hoping to（ ）to another team soon．

—Where are the children? The dinner’s going to be completely ruined. —I wish they （ ） always late.

（ ） the obvious differences in size and population, the states of America have many things （ ） common.

The defense computers calculate way to （ ） the enemy missiles.

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