Do not know how to do that?Really Tangled ah 是神马意思?

I do not know how to do Do not know how to love I do not know how to He does not know() A when to do B when to do C where to do D how to do ____,he asked the teacher .为什么选BA.Not knew how to do B. Not knowing what to do C.Didn't know what to do D. Because not know how to do it. a cheap slut!That do not know shame,but even do not know how to die how to do the homework,I went to ask my teacher for help.A.Not to know　　 B.Not knowing 　C.Knowing not　　 D.Not known 选项 原因 Do not know how to make sense of life! Do not know how to make sense of life! I do not know how to face yourself and you! 谁知道 I hate you do not know how to love I'm sorry I do not know how to love Cherish the people who do not know how to return Cherish the people who do not know how to return I do not know how to speak well ,now,also do not think so much, I really do not know A what to do B how to do c how can i do说明理由 Love she did not know how to express how to do? I do not do very ___ in Maths.I want to do better but do not know how. I DO not know ( ) it today A What to do B how to do C to do what