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     out of the high school, he had difficulty in finding a job and led a tough life.

More than 200 dead pigs       in the waterways have raised urgent concern.

He pretended _____ an important paper when the boss entered.

On AIDS Day, the minister of Health Department demanded that the problems _____ paid special attention to.

Studies have shown that children grow and develop quite normally on a diet ___ plenty of bread and vegetables with small amounts of milk and meat.

____ in a key university is almost every high school student’s wish.

I’m sorry to tell you that we decided __________ your plan.

They are going to find a new approach ______these complex problems.

I'm afraid that I can't make myself _______ because of my poor English.