1. You must be Mr. White.
你一定是怀特先生吧。
还能这样说：
Are you Mr. White, right?
You must be Mr. White, isn't it?
谚语：
He that would eat the fruit must climb the tree.
不劳无获。
2. I am here to see the apartment you advertised.
我是来看你登广告的那套公寓的。
还能这样说：
I come to see the apartment you put in the advertisement.
Would you show me around the apartment you advertised?
应用解析：
advertise for 登招聘广告；
advertise oneself (as) 自吹（是）
3. Do you have any good apartment for rent?
有好的公寓出租吗？
还能这样说：
Do you rent any good apartment here?
Do you have any good flats to be let?
应用解析：
rend sb. with scorn 用鄙视来伤某人的感情；
be rent in two 分成两份；
rent sb. high 向某人收昂贵的租金
4. I have a house to be let.
我有房子出租。
还能这样说：
I have a vacant house.
I have a house for rent.
谚语：
Do well and have well.
善有善报。