I think it’s high time we _____ strict measures to stop pollution.

The chemical factory was torn down （ ） protecting the environment.

The two companies decided to （ ） on a project concerning animal cloning.

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

When I got my first job, I _____ early. But nowadays I usually stay in bed until late morning.

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

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

Many people prefer the bowls made of steel to the______ made of plastic.

He was （ ） enough to see that Jake was the best candidate for the job.

It was only by a great effort of will and courage that he was able to （ ） himself together.

The historical church was （ ） damaged in a fire attack on Dec.21, 2007.

She heard a terrible noise, （ ） brought her heart into her mouth.