If the opportunity would ______, hold on to it and don’t let it go.

Last summer I took a course on ______ poisonous gases.

Will you___________ and take this letter to the post office?

He ________ the things in the old case which he wanted to keep.

—How are your children in their new home?
—Fine. The good thing is that they've _______very easily to new environments.

At the end of each month when he comes back from school he will be asked by his strict father to ___________ where every cent goes.

Since you are in a public place, the noise of your radio must be ______ to a level that we all feel comfortable with.

The two men who had drunk too much stood ________ at each other on the road as if they were very angry with each other.

The old man was almost dying, terrified with darkness and loneliness. He really _ love and care.

Too much importance shouldn’t be ______ the speech of the chairman, for he has always been giving a boring report like that.