I do not remeber how many years ago_______State Street began its business in China.A,it was when B.it was that C.was it when D.was it that我已经知道答案为B请问选项A为什么不对?

I do not know how to do you do not understand how i feel In fact,I do not understand how I do not know how to I do not remeber how many years ago_______State Street began its business in China.A,it was when B.it was that C.was it when D.was it that我已经知道答案为B请问选项A为什么不对? I'm sorry I do not know how to love I'll remeber the I'll remeber the I Still Remeber 歌词 英语语法问题.doI do remeber I do recall now为什么 do 可以再+动词的 I really do not know A what to do B how to do c how can i do说明理由 I do not do very ___ in Maths.I want to do better but do not know how. I do not know how to face yourself and you! I forget how long you do not 如题 If I do not know how good that the翻译 You do not know me,how can i love? 谁知道 I hate you do not know how to love You do not say that I said how ah?