Theprofessor______towalkoutofthe

发布时间:2020-07-25 19:39:28

The professor ______ to walk out of the office when one of his students came in.A.was about toB.was going toC.wouldD.was to

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A解析考察固定句式be about to,将要做某事。句意:当他的一位学生进来时,这位教授即将走出他的办公室。选项BCD缺少谓语动词,故选A。
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