_____, water can be changed into gas. A．HeatedB．Being heated C．Having heatedD．H
题型：不详难度：来源：
_____, water can be changed into gas. | A．Heated | B．Being heated | | C．Having heated | D．Having been heated |
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答案
| A |
解析
| 句子的主语是water，因此加热的动作是被动的；being heated是正在加热；having been heated是加热完之后；而heated没有时间概念，表示条件。 |
举一反三
_____ in the strange city, poor Bill fell to _____. | A．Lost; crying | B．Lost; cry | | C．To lose; cry | D．Having been lost; crying |
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His career has been an active one: _____. | A．writing poetry, working on magazines, and the war in Greece | | B．poetry, editing magazines, and the Greek War | | C．writing poems, editing magazines, and serving in the Greek War | | D．poetry work, editing magazines, and fighting in Greece |
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—Did you enjoy the movie?
—No, it was _____. | A．very boring | B．very bored | C．much boring | D．much bored |
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Written in great haste(匆忙), _____. | A．Jim made a lot of mistakes in the report | | B．there are plenty of mistakes in the report | | C．we found several mistakes in his letter | | D．the book is full of mistakes |
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He was so careless that he left the work half _____ and went to the cinema. | A．do | B．doing | C．done | D．to do |
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