问题补充:
These books mustn’t out of the reading room. You have to read them here.
A. take B. be taken C. be taking
答案:
解析:句意:这些书不能带出阅览室,你们必须在这里阅读。句子中主语books和谓语动词take是被动关系,故用被动式,其结构是系动词be+动词过去分词,故选B。
时间:2020-05-24 03:42:41
These books mustn’t out of the reading room. You have to read them here.
A. take B. be taken C. be taking
解析:句意:这些书不能带出阅览室,你们必须在这里阅读。句子中主语books和谓语动词take是被动关系,故用被动式,其结构是系动词be+动词过去分词,故选B。