(2013·天津新华中学二次月考) several times，he still couldn't understand how to operate the machine.A.

发布时间：2020-08-17 08:31:26

(2013·天津新华中学二次月考)     several times，he still couldn't understand how to operate the machine.
A. Telling
B. Having told
C. To be told　　
D. Having been told

网友回答

A. Telling
B. Having told
C. To be told　　
(答案→)D. Having been told
解析：句意：尽管已经被告知好多次了，他还是不能理解怎么操作这台机器。根据句意可知，tell和he之间为逻辑上的动宾关系，应用v.­ed形式；同时，被告知的动作发生在understand之前，应用完成时，故选D。
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