That was the steepest mountain they had ever climbed

That was the steepest mountain they had ever climbed
A.would climb B.have climbed C.had ever climbed D.was climbing
给理由!
奥,错了
That was the steepest mountain they _________
英语人气:604 ℃时间:2020-03-20 07:21:06
优质解答
前句:past tense
后句past perfect tense
+ever加重语气
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