— Will you be         this afternoon, John?
— I am afraid not. I have an appointment with my dentist.

— Will you be         this afternoon, John?

— I am afraid not. I have an appointment with my dentist.

A．convenient        B．suitable           C．accurate          D．available

— Will you be         this afternoon, John?
— I am afraid not. I have an appointment with my dentist.

1. A.
   convenient
2. B.
   suitable
3. C.
   accurate
4. D.
   available

—Will you be       this afternoon, John?
—I am afraid not. I have an appointment with my dentist.