问题
选择题
Climbing the mountain was so ___ that I was completely ___ out.
A．tiring, tiring
B．tired, tired
C．tiring, tired
D．tired, tiring
答案
答案：C
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Climbing the mountain was so ___ that I was completely ___ out.
A．tiring, tiring
B．tired, tired
C．tiring, tired
D．tired, tiring
答案：C