当遇到下列情况时，你应说什么？
1．当你向同学问好时，应说：[ ]
A. How old are you?
B. How are you？
C. Do you like it?
D. Happy?
2．当你向同学祝贺生日时，应说：[ ]
A. Happy birthday to you!
B. How are you?
C. Would you have some gifts?
D. How old are you?
3．你在朋友家做客就餐时，你想吃汉堡包了，应说：[ ]
A. How many hamburgers?
B. Give me some hamburgers.
C. Do you like hamburgers?
D. Can I have a hamburger?
4．当别人向你说“Thank you.”的时候，你应该说：[ ]
A. No, no thanks.
B. Don't say that.
C. You are welcome.
D. Thank you, too.
5．当你到餐馆吃西餐的时候，应了解：[ ]
A. The knife (刀) and the fork (叉) are on the right (右).
B. The knife is on the right.
C. The fork is on the right.
D. The knife is on the left (左).