题目内容
【题目】 Not only the students but also their teacher _____the truth since two days ago.
A. knows B. know C. has known D. have known
【答案】C
【解析】
试题分析:句意:不但学生而且他们的老师自从两天前已经知道事实了。此题考查not only but also连接主语时,有个就近原则,又因为有since two days ago,故用现在完成时。故选C。
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