-How amazing it is that astronauts are exploring outer space! -It’s a challenge, I guess, _________m

题目简介

-How amazing it is that astronauts are exploring outer space! -It’s a challenge, I guess, _________m

题目详情

-How amazing it is that astronauts are exploring outer space!  
-It’s a challenge, I guess, _________man against nature.  
A.ofB.forC.byD.about
题型:单选题难度:偏易来源:不详

答案

A
应答句中的I guess是插入语,因此所填介词与challenge连用,表所属,用of,选A。

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