About six months later,the letter they were looking forward to ________at last.A.arrivedB.arrivingC

题目简介

About six months later,the letter they were looking forward to ________at last.A.arrivedB.arrivingC

题目详情

About six months later,the letter they were looking forward to ________at last.
A.arrivedB.arrivingC.had arrivedD.arrive
题型:单选题难度:偏易来源:不详

答案

A
  考查动词时态。look forward to中的to是介词,而不是不定式符号,所以后接动词作宾语时,要用动名词,而不用动词原形。

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