问题描述：
用所给的单词造句,尽量用现在进行时
例：what you do what are you doing?
1.liu qiang watch phots
2.who take photos
3.they collect leaves
4.we do an experiment
例：what you do what are you doing?
1.liu qiang watch phots
2.who take photos
3.they collect leaves
4.we do an experiment
问题解答：
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