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
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
—______ you please tell me something about the life in Canada? — Sorry, I______ . I don’t know either. I’m from Australia.
#76590
A
Could, couldn’t
B
Can; couldn’t
C
Could, can’t
D
Can, mustn’t
—Bad news? —If you ______ know, Li Na got defeated again in the first round!
#63506
A
can
B
will
C
shall
D
must
My grandparents never remember my telephone number, and they always _______ look it up.
#75600
A
must
B
can
C
should
D
have to
(2013·北京东城二次联考)—________ you interrupt now？Can't you see I'm on the phone?—Sorry，sir，but it's urgent.
#62522
A
Can
B
Should
C
Must
D
Would