1.You're quite welcome.
　　欢迎你！
　　2. Drop in any time.
　　随时欢迎你来。
　　3.What time will it be all right with you?
　　什么时间合适呢？本文来源:恒星英语网
　　4. I've brought a letter of introduction from Mr. Miller.
　　我有米勒先生的介绍信。
　　5. I've got an appointment with Mr. Liu, I called him yesterday and he said I might come this morning.
　　我与刘先生约好了，我昨天同他通过电话，他让我今天上午来。