情景对话。根据所设置的情景，选择最佳选项。
1．当你想买一张邮票，询问一张邮票多少钱时，应说：[ ]
A. What is a stamp?
B. How much is a stamp?
C. Where is the stamp?
D. How is the stamp?
2．当我们想问北京现在的天气怎么样时，应说：[ ]
A. Is it sunny in Beijing now?
B. What's the weather in Beijing now?
C. How's the weather in Beijing now?
D. Is the weather bad in Beijing now?
3．当你想去寄信但不知道邮局在哪儿时，应说：[ ]
A. Excuse me. Where is the post office?
B. Do you know what the post office is?
C. Tell me where the post office is.
D. Come on! Where is the post office?
4．当你的朋友饿了，你建议他(她)吃些三明治时，应说：[ ]
A. Are you hungry? Have some noodles.
B. What would you like?
C. Do you like some sandwiches?
D. Would you like some sandwiches?
5．当你想为别人拍张照片时，应说：[ ]
A. I take a picture for you.
B. Let me take a picture.
C. May I take your picture?
D. Would you like a picture?