— We would appreciate it if you could stay for lunch.— Sorry, I         . I have another appointment.  
#87659
A
won’t
B
shan’t
C
can’t
D
mustn’t
推荐题目
—Without your help, we _____ this task on time.—My pleasure.
#89291
A
don’t finish
B
will not finish
C
didn’t finish
D
would not have finished
—Sorry, the tickets have already been sold out.—Really? Maybe I _______ a little earlier.
#86439
A
should come
B
should have come
C
could have come
D
must have come
 He hesitated for a moment before kicking the ball, otherwise he ________ a goal. 
#89369
A
had scored
B
scored
C
would score
D
would have scored