If you keep doing ( ) this for a long time,you are sure have

问题描述:

If you keep doing ( ) this for a long time,you are sure have great ( ) in your study.
1个回答 分类:英语 2014-10-24

问题解答:

我来补答
practice
improvement
再问: 我认为第一空填on第二空填improvement还是progress
再答: improvement
 
 
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