Some aspects(方面) of a teacher’s job ______ be tiring, and teachers often ______ work at inconvenient hours.
#87172
A
can; must
B
may; can
C
can; have to
D
have to; must
推荐题目
－Are you satisfied with her answer?－Not at all. It couldn’t have been ________.
#86980
A
any worse
B
so bad
C
much better
D
the worst
Mr. Liu insists that the price of petrol _____ too high and that he ____ his car.
#87446
A
is, sells
B
should be, should sell
C
is, should sell
D
should be, sells
——You didn’t wait for Mr. Black last night, did you?——No, but we ____. He didn’t return home at all.
#89422
A
couldn’t have
B
needn’t have
C
didn’t need to
D
should wait have
He ______ the test again, in which case, his mother will be very disappointed.
#89549
A
might fail
B
must have failed
C
should fail
D
could have failed