问题
选择题
Living in the central Australia desert has its problem, _____ obtaining fresh water isn’t the least.
A．for which
B．to which
C．of which
D．in which
答案
答案：C
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Living in the central Australia desert has its problem, _____ obtaining fresh water isn’t the least.
A．for which
B．to which
C．of which
D．in which
答案：C