Eventhebeststudentinourclasscould

发布时间:2020-07-26 04:55:33

Even the best student in our class couldn't answer this question, so it ________ be very difficult.A.mustB.couldC.mayD.can

网友回答

A解析句意为“甚至连我们班上最好的学生都不能回答这个问题,那么它一定是很难”.
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