— 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
推荐题目
The lady insisted that the young man _____her wallet and _____to the police station at once.
#100183
A
had stolen; be sent
B
should steal; sent
C
has stolen; sending
D
steal; had been sent
I first met your sister ten years ago, when she ____at a supermarket as a salesgirl. 
#102409
A
has worked
B
had worked
C
was working
D
had been working