发布时间:2021-10-16 23:47:57
【经典例题】Many workers built this factory in 2001. This factory ___ ____ by many workers in 2001.
【名师精解】本题的正确答案为:was built.正确解题的关键是被动语态的构成(built――be built)和过去时态(be动词要用was,与原句的built对应)。
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