I don't know __.A.the reason why can be B.why the reason may beC.what the reason can be D.what the reason may be 为什么不选 D

I don't know 同意句转I don't know.I __ __ __. where is the railway station?I don't know.合并成一句 I don't know __ __ __ __ __. What if I don't know anyone?同义句What __ __ __ if I don't know anyone sorry,I don`t know.= sorry,I have__ __ I don't know what I should do next.(同义句转换） I don't know __ __ __next I don't know __ of them,I only know some.A.everyone B.every oneI don't know __ of them,I only know some.A.everyone B.every one i don't know where she __(live) i don't know what this word means,同义句转换 i don t know __ __ __this word he know little French ,and __.A neither am i ,B i know little ,too.C nerther don't i D i know little,eitherA 为什么不对? I have no friends here.I don't know what I should do. I have no friends here.I don't know __ __ __. Excuse me,__ I don't think I know you.A.Though B.but选择哪个,为什么? I don't know. I don't know what her reaction is __ to be,so I don't dare to tell her the result.A.likelyB.probable C.possible D.perhaps -- Ann is in hospital.-- Oh,really?I __ know.I __ go and visit her.A.didn’t; am going to B.-- Ann is in hospital.-- Oh,really?I __ know.I __ go and visit her.A.didn’t; am going to B.don’t; would C.don’t; will D.didn't; will 为什么不可以 “i don't know you know i don't know - Ann is in hospital.-- Oh,really?I __ know.I __ go and visit her.A.didn’t; am going to B.don’t; wouldC.don’t; will D.didn't; will 四个空I don't know what clothes i should wear at the meeting 改同义句 I don't know __ __ ___ __at themeeting I don't know where I can get the toy car.(同义句转换） I don't know __ __ __the toy car.