给下列的问句选择合适的答语。 ( ) 1. How many Chinese classes do you have? ( ) 2. What do you do in the club? ( ) 3. Are you a student of Grade Five? ( ) 4. Can you sing and dance? ( ) 5. Is your bike new? a. Yes, I can. b. We have five. c. No, it isn't. d. We sing and dance. e. Yes, I am.