-How amazing it is that astronauts are exploring outer space! -It’s a challenge,
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-Howamazing it is that astronauts are exploring outer space!
-It’s achallenge, I guess, managainst nature.
A.of B.for C.by D. about
试题答案
【答案】
A 【解析】考查介词。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