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WHAT TO DO=HOW TO DO how do you what to what to do 与how to do 的区别I don't know ____________.A.what to say or do B.what to say and to do C.how to say or do D.how to say and to do how to do it next还是what to do next 关于how to do it what to do what to do how to do it区别 how to do和what to do的区别 How to do What to do.的用法 how to do it what to do的区别 how to do it和what to do it的区别how to do it，what to do 的区别 how to do,how to do it,what to do 有何区别? what to do 与 how to do 有什么区别吗?we don't know ___ to do next A:how B:what 若是再加一道题呢？we don't know ___ to do it nextA:how B:what l really don,t know _____ and _____.A.What to do,How to do B.what to do it ,how to do itC.what to do it ,How to do D.What wo do,how to do it how to do,what to do,what i can do的用法how to do,what to do,what i can do怎么使用? the teacher told us___and___A.What to do,how to do B.what do,how do it C.what to do,how to do it D.what to do it,how to do it 关于what to do ,how to do it.i don't know________a.waht to do it b.how to do it c.what to dod.to do what我彻底晕到飞起.how to do it 与what to do 似乎都可以嘛同志们...就是因为不清楚到底是选b还是c阿...头发都掉了... How to do 还是 What to do?How加什么?What后加什么? what to do,what should i do区别what to do = how to do it?以及how to do it,how should i do it；what to do,what should i do的区别