Personally, the job as a teacher _____ be challenging, for I sometimes _____ deal with some smarter but less diligent students.
#62557
A
can; have to
B
may; can
C
has to; may
D
ought to; must
推荐题目
---Must we donate our pocket money to the poor right now?---No, you _______. You can think it over and do it before Friday.
#76566
A
mustn’t
B
needn’t
C
can’t
D
couldn’t
(2013·四川，5)—Why are your eyes so red？You________have slept well last night.—Yeah，I stayed up late writing a report.
#62494
A
can't
B
mustn't
C
needn't
D
won't
—My daughter mastered English in less than two years. —Did she? She________have a gift for languages.
#63334
A
can
B
would
C
should
D
must
--Listen! Is it Linda singing in the next room? --No, it __________ be her. She is still in Shanghai.
#78253
A
can’t
B
couldn’t
C
may not
D
might not
–I have packed your luggage for you need to rise early tomorrow. --Thanks. You ______ that. I am a big girl now and I can manage it, Mum.
#62529
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done