you need mere__ to speak English well a.practise b.practises c.practising d.practicei'm good at roller-skating.i can teach you____a.how to do b.how to do it c.what to do d.what to do it
问题描述：
you need mere__ to speak English well a.practise b.practises c.practising d.practice
i'm good at roller-skating.i can teach you____
a.how to do b.how to do it c.what to do d.what to do it
答