has spent an hour in the shoe shop．Hasn’t he decided which pair ofshoes to buy— Maybe．Young as he is, he isabouthis appearance．

Whose ping pong bat is this?– I’m not sure. I think it ______be Tom’s.

______________absent from competition for two seasons，Shen Xue and Zhao Hongbo still hadthe right feeling on the ice

Pollution does great harm to our health. It’s necessary the environment.

Wedon’t have a school magazine ______, It’s a pity.