根据问句选出答句，将序号填在括号里。
( ) 1. Are you going to have a birthday cake?
( ) 2. What are we going to do?
( ) 3. Is she happy?
( ) 4. Can you run fast?
( ) 5. Can Fifi help the blind people?
| A．No, she isn’t. |
| B．No, I can’t. |
| C．No, he can’t. |
| D．No, I’m not. |
E. We are going to sing and dance.