Can I speak to Mr. Smith? 我能和史密斯先生说话吗?

　　Can I please speak to your manager? 我能和你的经理谈谈吗?

　　I need to speak with you. 我得和你谈谈。

　　Can I speak to John Lange? 请问约翰兰格先生在吗?

　　I'm sorry, he's on another line at the moment. 不好意思，他正在接听别的电话。