专四

单选题 When Mchammed, a man from the Middle East, first went to the United Kingdom to attend the university,with women in the same class．

A．he'd never before studied
B．he would never before study
C．he couldn't before study
D．he hasn't before studied

参考答案：A进入在线模考
A。来自中东的默罕默德第一次到英国上大学时，他之前还从来没有和女性在同一个班级里面学习过。考查动词时态。when弓l导的时间状语从句使用了。一般过去时，而主句显然是说在那之前的情况，表示过去的过去，因此要使用过去完成时。

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