sorry,there isn't a mr smith here.这句话对么?

sorry,there isn't a mr smith here.这句话对么? Sorry,wrong number.There isn't ( )Mr ,Smith here.这里应该填a还是one Sorry Doctor Smith isn't here right now.—May I _ a message o Hello,May I speak to Mr.Smith?—Sorry,he isn't in.He _____ th Mr. Smith didn’t know whether to leave or stay there. 这句话中的s It reveals the plain fact that he is a boy,isn't it?这句话对么? TO do everything well isn't easy.这句话对么 1补全对话：hello,May I sreak to Mr.Smith?( ),I’m sorry,he isn’t i Sorry .She isn’t here right now. （）Mr .Smith isn't feeling well today,so I'll give you a clas Mr.Smith isn*t in the office hi is o Mr.Smith isn't at home now.同义句 Mr.Smith isn't at home —— ——