题目内容
11．Look!Tomis watering （water） the young trees in the park．分析 看！汤姆正在公园里浇小树．
解答 答案：is watering．现在进行时表示此时此刻正在进行的动作，构成是：am/is/are+现在分词，经常和now，at present等时间状语连用．根据"Look"可知如果动作不是正在进行的话，你是看不到的．所以我们要用现在进行时，结合给出的英语提示water以及主语是第三人称单数Tom，所以要用is watering．
点评 首先要掌握现在进行时的用法以及构成，然后结合具体的语句，根据给出的英语提示以及主语，就可以确定正确答案．
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