— Can you come to my birthday party tonight? — I’d love to, but I______ on a patient at 6 o’clock.
#100074
A
will operate
B
am operating
C
will be operating
D
will have operated
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I won’t go to the party even if_______.
#103713
A
inviting
B
being invited
C
invited
D
having invited
—I’ll come to attend your speech at 9:00 tomorrow morning. —I’m sorry. By then my speech _________ and I __________ TV at home. 
#102829
A
will end; will watch
B
is to end; will watch
C
will be ended; am going to watch
D
will have ended; will be watching
 Give me an undisturbed hour and I ________ the work Tom has left unfinished.
#99213
A
see to
B
will see to
C
would be seeing to
D
have seen to