You can't be ______ when you camp _____ an high altitude, where the air is thin. [ ]A. enough c

题目简介

You can't be ______ when you camp _____ an high altitude, where the air is thin. [ ]A. enough c

题目详情

You can't be ______ when you camp _____ an high altitude, where the air is thin.
[     ]
A. enough careful; at  
B. too careful; at  
C. careful enough; on  
D. too careful; on
题型:单选题难度:中档来源:同步题

答案

B

更多内容推荐