题目内容
_________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
fit, we ought to learn more about our body and be careful with what we eat.
________fit, we ought to learn more about our body and be careful with what we eat.
______fit, we ought to learn more about our body and be careful with what we eat.