When ______into a warm room ,the ice is soon changed to water.A taken B to be taken C to take D taking答案选择A可是为什么呢为什么不选B

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When ______into a warm room ,the ice is soon changed to water.A taken B to be taken C to take D taking答案选择A可是为什么呢为什么不选B

When ______into a warm room ,the ice is soon changed to water.A taken B to be taken C to take D taking答案选择A可是为什么呢为什么不选B
When ______into a warm room ,the ice is soon changed to water.
A taken B to be taken C to take D taking答案选择A可是为什么呢
为什么不选B

When ______into a warm room ,the ice is soon changed to water.A taken B to be taken C to take D taking答案选择A可是为什么呢为什么不选B
不不难理解.这是一个被动结构.可以用中文来理解,就是:当(它)被拿进一个温暖的房间,冰很快就变成了水.我们可以发现,这个空格很明显应填一个被动结构的词,把主语the ice提前,可以看成是When (the ice is taken) into a warm room,…这是个典型的省略句,省略了主语.解这类题目,只要把后面的主语拉到前面就可以发现应该填什么了.建议你多看看语法书关于省略句的专题.

主语是ice.是物,应用被动语态!