My granny does crossword puzzles each day ______ her mind sharp．A．to keepB．keptC_刷题宝

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My granny does crossword puzzles each day ______ her mind sharp．

A．to keep	B．kept
C．having kept	D．to be kept

上一题下一题 0.64难度单项选择更新时间:2015-11-23 06:01:25

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