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
—Listen! Is Mary singing in the next room?—No. It _______ be Mary．She has gone to Shanghai for an important meeting.
#74311
A
can’t
B
may not
C
mustn’t
D
needn’t
－What do you think we can do for our aged parents?－You_______ do anything except to be with them and be yourself.
#63541
A
don’t have to
B
oughtn’t to
C
mustn’t
D
can’t
It doesn’t often snow in my hometown in winter, but it ___be rather cold sometimes.
#63396
A
shall
B
should
C
can
D
would
My book, The House of Hales, is missing. Who ________ have taken it?
#62175
A
need
B
must
C
should
D
could
When we were in the college, we stay in the library, devoting ourselves to books.
#62778
A
should
B
would
C
can
D
need