“Look at these tracks. It _______ be a wolf.” “Don’t be so sure. I think it _______ be a fox.”
#89541
A
must; could
B
may; might
C
need; must
D
could; need
推荐题目
—Thank you for reminding me of the time, or I ____ late yesterday． —Don’t mention it．
#88020
A
should be
B
would be
C
will have been
D
would have been
The rule demands that everyone ______ quiet in the school library.
#86874
A
keeps
B
keep
C
will keep
D
should be kept
Jack describe his father, who____ a brave boy many years ago, as a strong-willed man.
#87609
A
would be
B
would have been
C
must be
D
must have been
He _______ Shanghai, for I saw him talking with the headmaster a moment ago.
#90144
A
must have gone to
B
can’t have gone to
C
mustn’t have been to
D
can’t have been to
If there hadn’t been so much smog in Beijing, we______________ the beautiful scenery across the Tiananmen Square.
#87056
A
enjoyed
B
would have enjoyed
C
had enjoyed
D
would enjoy