题目内容
If you keep ______ ,you’ll be a very good swimmer one day.
A. practising to swim B. practising swimming
C. to practise to swim D.practise swimming
B
【解析】
试题分析：句意：如果你一直练习游泳，有一天你会成为好的游泳运动员。keep doing dth 一直做某事，practise doing sth 练习做……，根据句意及结构，故选B。
考点：考查非谓语动词的用法
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