问题描述：
英语单选：.If you really want to improve your English
If you really want to improve your English ,finishing what need___is not enough,you should do as much reading as possible.
A to do B being done C to be done D having done
If you really want to improve your English ,finishing what need___is not enough,you should do as much reading as possible.
A to do B being done C to be done D having done
问题解答：
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