( ) 1. What's the temperature outside? ( ) 2. What are they doing? ( ) 3. How old are you? ( ) 4. Did you have a good trip? ( ) 5. Would you like to sing a song for us?
A. I'm twelve years old. B. It's 30 ℃. C. Yes, I'd like to. D. They are playing cards. E. Yes, thanks, but I'm tired.