It took me a long time before I was able to fully appreciate what they_____ for me. [ ]A. had done B. did C. would do D. were doing -高中英语-魔方格

◎ 题干

It took me a long time before I was able to fully appreciate what they _____ for me.

A. had done
B. did
C. would do
D. were doing

◎ 答案

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◎ 解析

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◎ 知识点

根据魔方格专家分析，试题“It took me a long time before I was able to fully appreciate what they_____ for me. [ ]A. had done B. did C. would do D. were doing …”主要考查了你对【过去完成时】等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。

◎ 相似题

与“It took me a long time before I was able to fully appreciate what they_____ for me. [ ]A. had done B. did C. would do D. were doing ”考查相似的试题有：

● We won't know how the plan works till we have tried it ________.● They__________on the program for almost one week before I joined them, and now we ________on it as no good results have come out so far.A．had been working; are ● Mr. Smith couldn’t open the door because his naughty boy ______ it from the inside.A．would lock B．was lockingC．has lockedD．had locked ● Their house _____ in the big fire, so they decided to build another one.A．has been destroyed.B．had destroyedC．had been destroyedD．destroyed ● As he approached the door, Mike looked into the room again to see if he ________ anything behind.A．leftB．had leftC．has leftD．would leave