1. Can I have this delivered?
能送货上门吗?
还能这样说：
Can you deliver this to me?
Can this be delivered?
2. Can you tell me the delivery time?
能告诉我送货时间吗?
还能这样说：
Can you tell me when it can be delivered?
Would you like to inform me of the delivery time?
3. If you deliver it to my door, I wonder if you will charge me money.
如果送货上门，我想知道你们是否会收费。
还能这样说：
I wonder if I need to pay for the delivery.
I want to know if you will charge for the delivery.
应用解析：
a reversed charge 由受话人缴纳的电话费;
at one's own charge 自费，用自己的钱;
bring a charge of sth. against sb. 指控某人某事
4. I wonder where you live.
不知道您住什么地方?
还能这样说：
Can you tell me where you live?
I don't know your address.
谚语：
A wonder lasts but nine days.
什么事都新鲜不了多久。