Nobody could fly ________ the Wright brothers made the first flyer. [ ]A. after B. before C. though

题目简介

Nobody could fly ________ the Wright brothers made the first flyer. [ ]A. after B. before C. though

题目详情

Nobody could fly ________ the Wright brothers made the first flyer.
[     ]
A. after
B. before
C. though
D. so that
题型:单选题难度:中档来源:模拟题

答案

B

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