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Practise 1). When _______(heat) water will be changed into vapour. While _______ (heat) water, we can change it into vapour. 2) ______(see) from the hill, the city looks beautiful. _______ (see) from the hill, you will find the city beautiful. 3) Generally speaking, when ________(take) according to the directions, the drug has no side effect. If ________(take) the drug according to the directions, you will be better soon. heated heating Seen Seeing taken taking 2.(2010高考英语上海秋季卷,33) Lucy has a great sense of humor and always keeps her colleagues ______ with her stories. amused B. amusing C. to amuse D. to be amused 【答案】A 返回目录 3.(2010年高考北京卷)I’m calling to enquire About the position_____ in yesterday’s China Daily. A. advertised B. advertising C. being advertised C. to advertise A doing… being done having done… having been done 一般式(doing)表示主动的 一般性的动作或者正在进行的动作； 被动式(being done)表示正在进行的 | 
