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题目
America will never again have as a nation the spirit of adventure as it ___ before the West was set
这道题选什么 为什么?请各位英语牛人赐教
America will never again have as a nation the spirit of adventure as it
___ before the West was settled.
A has B did C was D would

提问时间:2020-10-04

答案
B 用do代指上文提到的动作,因为过去时,所以用did
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