【单选题】def happy(): print("Happy birthday to you!") def happy_birthday(name): happy() print("Happy birthday, dear {}!".format(name)) happy() happy_birthday("teacher") A. Happy birthday to you! Happy birthday to you! Happy birthday, dear teacher! Happy birthday to you! B. Happy birthday to you! Happy birthday, dear teacher! Happy birthday to you! Happy birthday to you! C. Happy birthday to you! Happy birthday, dear teacher! Happy birthday, dear teacher! Happy birthday to you! D. Happy birthday to you! Happy birthday, dear teacher! Happy birthday to you!

--Happy birthday!--______. A: Happy B: Happy birthday C: Thank you

——Happy New Year!——_________ A: Thank you B: So are you C: The same to you D: I'm happy, too

The less you eat,( ) you will be. A: happier B: the more happy C: the most happy D: the happier

Relative happiness means ______. A: you have a wealth of material goods B: you are as happy as others C: you are happier than others D: you are not as happy as others.

The more you pay, the more happy you will feel.

The more friends you have, the (happy) ____________ you will feel.

Why are you so ______ . You have everything you need. (HAPPY)

-Happy new year to you! - .

If you are very happy about something, you can say you are ______. A: happy as a parrot B: over the moon C: cheerful as chips D: under the weather