—Perhaps John's not in.—______.Look，the light's on.
#89430
A
Yes，he can be at home
B
No，he couldn't go out
C
Yes，he must be at home
D
No，he needn't go out
推荐题目
----Look,Mr.Hu is on the other side of the street. ----It____ be him.He has gone to Lanzhou.
#87934
A
mustn’t
B
can’t
C
wouldn’t
D
couldn’t
I could have called you for help, but I ____ your number.
#90107
A
couldn’t remember
B
didn’t remember
C
should have remembered
D
hadn’t remembered
---Well done, Tom!---Thanks. But given more time, I ________ it better.
#87765
A
shouldn’t have done
B
could have done
C
might not do
D
could do
John’s pale face suggested that he ______ill, and his parents suggested that he ______a medical examination.
#90529
A
be, should have
B
was, have
C
should be, had
D
was, has