He ___ away before we arrived, since the house was deserted．
#87613
A
shall have gone
B
should have gone
C
could have gone
D
must have gone
推荐题目
I couldn't have got to the meeting on time - _______ an earlier train .
#90401
A
if I had not caught
B
unless I had caught
C
if I did not catch
D
unless I caught
If I_____plan to do anything I wanted to ,I’d like to go to Tibet and travel through as much of it as possible
#89619
A
would
B
could
C
had to
D
ought to
.We were all waiting for you .You _____for the seaside by yourself without leaving a message.
#89123
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave
He has no idea what the book is about．He have read it very carefully．
#87733
A
needn’t
B
shouldn’t
C
can’t
D
mustn’t
Among the 15-year-old children, some studying in university while others are still learning to read and write.
#87787
A
should have been
B
would have been
C
can be
D
must be