According to the air traffic rules, you ___ switch off your mobile phone before boarding.
#87048
A
may
B
can
C
would
D
shall
推荐题目
He ____ writing the paper now. He hadn’t written a single word when I left him ten minutes ago.
#89345
A
shouldn’t be
B
can’t have finished
C
can’t be
D
mustn’t have finished
—Who has taken my pen away?—__________. He was here a moment ago.
#90019
A
It must be Li Ping
B
It is Li Ping take
C
Li Ping is
D
Li Ping must take
（山东省淄博市2009学年度高三二摸，35）Zhang Lin was addicted to computer games during his last year in high school , otherwise he ____________a student of Beijing University .
#90257
A
would have been
B
should be
C
has been
D
had been
--- I saw your uncle take a taxi to the airport. Why didn’t you drive him there? --- I ______. But my car ______.
#86778
A
would; was fixed
B
would have; was fixed
C
would have; was being fixed
D
did; was being fixed
It's high time that you ________ even harder at your lessons as the exam is around the corner.
#86899
A
work
B
will work
C
worked
D
have to work