-Is Mr Smith driving here?-I'm not sure.He _____

-Is Mr Smith driving here?-I'm not sure.He _____ --Is Mr.Brown driving here?--I am not sure.He ____ come by a --Is Mr Brown driving here?---I'm not sure.He___come by trai -ls Mr.Brown driving here?-l'm not sure.He ______come by tra 英语提问A:Mr.Smith,here is your ticket for guilin.I hope I'm not I am not sure _____ he will come here o Tom,where is your father I'm not sure .He _____ in his offic ---Do you know _____?---I’m not sure.Maybe he is a businessm where is Mr.Smith?--He is not here.He__to the USA A.has gone I hear Mr Brown lives here,but I'm not sure( ) Is Mr.Brown driving here? May I speak to Mr.Smith,please ?Sorry,he is not in . Who is