问题
选择题
_____ with the size of the whole earth, the biggest ocean doesn't seem big at all. [ ]
A. Compare
B. When comparing
C. Comparing
D. When compared
答案
答案：D
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_____ with the size of the whole earth, the biggest ocean doesn't seem big at all. [ ]
A. Compare
B. When comparing
C. Comparing
D. When compared
答案：D