例句： The whole country will profit from the new economic reforms.

例句： Several colleges in our study have rigid rules about student conduct.

例句： I looked up into the sky and saw the kite become smaller and smaller.

例句： Lasers can be used to perform operations nowadays.

例句： It was clever of you to solve the problem.

例句： He huddled the children into the automobile.

例句： There are two main nationalities in our village.

例句： His voice shook with fear.

例句： The cat made little rushes to and fro after the ball.

例句： Snobs are usually contemptuous of people they feel to be beneath them.