—Is Jack on duty today? —It ______ be him. It is his turn tomorrow.
#76227
A
mustn’t
B
won’t
C
can’t
D
needn’t
推荐题目
— Mary looks hot and dry. — So ________ you if you had a high fever.
#63648
A
could
B
would
C
may
D
must
The number of teachers in our school _______ greatly increased last term.A number of teachers in this school ______from the countryside.
#77974
A
was;is
B
was;are
C
were;are
D
were;is
Tom ____ be ill, for I saw him playing basketball an hour ago.
#62553
A
mustn’t
B
needn’t
C
can’t
D
may not
You have already tried your best, so you _____worry too much about the exams.
#76907
A
can’t
B
needn’t
C
mustn’t
D
shouldn’t