--- Is it convenient to you if I call you up at 9 o’clock tomorrow morning?

--- I’m afraid not. I _________ a speech then.

--- Is it convenient to you if I call you up at 9 o’clock tomorrow morning?
--- I’m afraid not. I _________ a speech then

1. A.
   was giving
2. B.
   will be giving
3. C.
   am giving
4. D.
   will have given

--- Is it convenient to you if I call you up at 9 o’clock tomorrow morning?

--- I’m afraid not. I _______ a meeting then.

  A. will have attended                                     B. was attending    

  C. will be attending                                       D. am attending

--- Is it convenient to you if I call you up at 9 o’clock tomorrow morning?

--- I’m afraid not. I         a meeting then.

A．was attending   B．will be attending       C．am attending    D．will have attended

--- Is it convenient to you if I call you up at 9 o’clock tomorrow morning?
--- I’m afraid not. I _________ a speech then.