78. A skyscraper has been built in the place where there was a factory. （转换成含地点状语从句的复合句）

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79. The students all passed the exam with the teacher’s efforts. （用虚拟语气改写句子）

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80. The girl was spoken highly of. Her speech was persuasive. （用定语从句合并句子）

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81. I didn’t realize the danger until I heard the cry nearby. （将not until置于句首改写句子）

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状语从句：时间、地点、原因、结果、条件、目的、让步、程度、比较与方式状语从句及其从属连词与连接短语
. Jasmine was holidaying with her family in a wildlife park ________ she was bitten on the leg by a lion.

状语从句：时间、地点、原因、结果、条件、目的、让步、程度、比较与方式状语从句及其从属连词与连接短语

. Jasmine was holidaying with her family in a wildlife park ________ she was bitten on the leg by a lion.

  A) when          B) while         C) since           D) because