题目内容
4. 工人们建这座教学楼用了一年半的时间。
It took the workers one and a half years the teaching building. (It takes sb some time to do sth.)
4. to build
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题目内容
4. 工人们建这座教学楼用了一年半的时间。
It took the workers one and a half years the teaching building. (It takes sb some time to do sth.)
4. to build