问题
选择题
We should do exercise as _______ as possible to keep _______.
A．more; healthy
B．much; health
C．more; health
D．much; healthy
答案
答案：D
题目分析：句意：我们应该尽可能多锻炼以保持健康。As much as possible尽可能多；keep healthy保持健康。所以选D。
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