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

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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
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

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
1.D 2.B
不懂追问*^__^*

选B B C 语法上都对 但意思B更合适。此外 what 为疑问代词, 做do 的宾语 D就不行了。HOW是疑问副词 作状语 A就不行了

1. D 因为 D 是名词
2. B do 是及物动词,要求必须有宾语,所以在语法上只有 B C 对,B 中宾语是 it,C 中宾语是 what。但是在意思上,要做的事已经明确了就是 roller-skating,要教的做“什么”,只是“怎么”做。