— 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
If I hadn’t stood under the ladder to catch you when you fell, you _____ now.
#87397
A
didn’t smile
B
won’t smile
C
wouldn’t be smiling
D
couldn’t have smiled.
I was so young.  You__________ better than to rely on me
#88037
A
should have known
B
should know
C
must know
D
must have known
If the dog hadn’t woken us, we wouldn’t have noticed the fire and it _____ to the house next door.
#86352
A
could spread
B
should have spread
C
would spread
D
might have spread
— Do you think our basketball team played very well yesterday?  —         .
#87781
A
They were not nervous at all
B
They were still young
C
They played naturally
D
They couldn’t have done better