“Is Jack on duty today?”“It ____ be him. It’s his turn tomorrow.”
#88237
A
mustn’t
B
won’t
C
needn’t
D
can’t
推荐题目
(2013·齐鲁名校一模)To make the most of your time, live every moment as if it________ your last.
#86540
A
is
B
would be
C
were
D
has been
He ______. It's a shame my mobile phone was power-off.
#90420
A
ought to call me
B
could have called me
C
may be calling me
D
might call me
Five minutes earlier, and we______the last bus.
#86702
A
had caught
B
should have caught
C
could have caught
D
caught
My pain ___________ obvious the moment I walked into the room, for the first man I met asked me pitifully:" Are you feeling all right?"
#90020
A
must be
B
must have been
C
could be
D
could have been
It is believed that forest bathing ______ strengthen the immune system.
#87444
A
should
B
must
C
need
D
can