The corridors（走廊）was so narrow that I had to      myself against the wall to let them pass.

Are you going to         the challenge of lasting a whole week without arguing.

Chemicals in the body ______our food _____ into useful things．

The next morning she found the man ___________ in bed, dead.

No matter what you have achieved, you have no reasons to _____others in your field.

During the period when he was in hospital, I _______ him to give up smoking but it didn’t seem to help.

Don’t mention that at the beginning of the story, or it may ____the shocking ending.

These teenagers don’t know much of the world yet; that’s why they are so easily _________ .

Everyone Obama meets seems to be _________ with his pat-on-the-back signature.

It was decided to _______ the search when there was no hope of finding the missing child alive.