Inthemeeting,theprofessorexpressedhisthanksfortheaidhe_________fromhi

发布时间：2020-08-14 09:47:39

In the meeting, the professor expressed his thanks for the aid he _________ from his studentsA.receivedB.was receivedC.have receivedD.had received

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D解析试题分析:考查动词时态。根据语境可知获得帮助是发生在动词expressed之前，表示过去的过去，所以用过去完成时，故
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