She didn't answer the phone.She ___ be asleep.
#88930
A
couldn't
B
mustn’t
C
might
D
had to
推荐题目
— How’s your tour around the North Lake? Is it beautiful? — It ______ be, but it is now heavily polluted.
#86563
A
will
B
would
C
should
D
must
It’s required that mineral resources_______ hand in hand with the local environment protection.
#87634
A
be exploited
B
exploit
C
have exploited
D
exploited
As a graducate in computer science, he ___ to work out the problem.
#89044
A
wouldn't have failed
B
can't have failed
C
mustn’t have failed
D
might not have failed
I have some difficulty in finding his house. I wish I_____his address.
#90235
A
remember
B
remembered
C
had remembered
D
would remember
——My cat’s really fat. ——You____________have given her so much food.
#90458
A
wouldn’t
B
couldn’t
C
shouldn’t
D
mustn’t