Do you think which means of transport is _____ ,the underground or the plane?[ ]A.safeB.safety C.saf

题目简介

Do you think which means of transport is _____ ,the underground or the plane?[ ]A.safeB.safety C.saf

题目详情

Do you think which means of transport is _____ , the underground or the plane?
[     ]
A.  safe
B.  safety        
C.  safest
D.  safer
题型:单选题难度:中档来源:上海期末题

答案

D

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