It is written clearly in the requirements that all passengers ______ check onto board 30 minutes before the plane takes off.
#87571
A
may
B
can
C
will
D
shall
推荐题目
He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.
#90507
A
should
B
must
C
wouldn’t
D
can’t
He said he would come to attend the lecture if he ___________ time.
#87404
A
has
B
has had
C
will have
D
had
--I once got lost during my first visit to Beijing. -- Oh, did you? You ____ me as your guide.
#88052
A
might have asked
B
could ask
C
would have asked
D
would ask
— I’ll tell Mary about her new job tomorrow. — You ______ her last week.
#89264
A
ought to tell
B
would have told
C
must tell
D
should have told
Had I known about this computer program, a huge amount of time and energy .
#87058
A
would have been saved
B
had been saved
C
will be saved
D
was saved