I don't know __(different) between American English and British english.怎么填,要解析

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 where she __(live) i don't know what this word means,同义句转换 i don t know __ __ __this word I have no friends here.I don't know what I should do. I have no friends here.I don't know __ __ __. I don't know. “i don't know you know i don't know 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. I don't know about it and I don't care,either.转换一下句型：I don't know about it,__ __I care. When will they come here ? I really don't know .(合并为一句)I really don't know when __ __ come here . I don't know the way to do that同义句转换I don't know the way __ __ that sorry,I don't know. i don`t know much I don't really know.