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
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Where have you been ?— I_______in the heavy traffic .Otherwise I_______ here earlier.
#87766
A
have got stuck; would have come
B
got stuck; was
C
got stuck ; would have come
D
had stuck ; would come
I _______ have been more than six years old when the accident happened.
#89803
A
shouldn’t
B
couldn’t
C
mustn’t
D
needn’t
(2013·北京，34)If we________a table earlier, we couldn't be standing here in a queue.
#86624
A
have booked
B
booked
C
book
D
had booked
“I thought you wouldn’t mind.” “Well, as a matter of fact I don’t, but you _____ me first.”
#89567
A
should ask
B
should have asked
C
must ask
D
must have asked