文语站

位置:首页 > 习题库 > 

 There’snowayofknowingwhyonemanmakesanimportantdiscover...

习题库2.58W

问题详情:

 There’snowayofknowingwhyonemanmakesanimportantdiscover...

 There’s no way of knowing why one man makes an important discovery ______ another

     man, also intelligent, fails.

 A. since   B. if                 C. as          D. while

【回答】

D

知识点:连词

题型:选择题

标签: