问题
选择题
24．________fit, we ought to learn more about our body and be careful with what we eat.
A．Keeping
B．To keep
C．Having kept.
D．To have kept
答案
答案：B
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24．________fit, we ought to learn more about our body and be careful with what we eat.
A．Keeping
B．To keep
C．Having kept.
D．To have kept
答案：B