题目内容
20.The underground system ________ in the city now will be opened next year.( )A. | constructing | B. | to be constructed | ||
C. | is constructing | D. | being constructed |
分析 这个城市正在被建造的地铁系统明年将会开通.
解答 答案:D.根据句子结构可以看出________ in the city now 做The underground system 的定语,根据句义知道地铁正在被建造,因此答案D being constructed.其他选项A表示主动;B表示将要被建造;C做谓语.
点评 考查现在分词的被动式.做定语时,to be done表示将要被做; being done表示正在被做; done表示被动完成.
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