问题补充:
24. When we climbed up to the top of the mountain, we were all .
A. tired and out of the breath
B. tiring and short of the breath
C. tired and out of breath
D. tiring and short of breath
答案:
A. tired and out of the breath
B. tiring and short of the breath
(答案→)C. tired and out of breath
D. tiring and short of breath
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