—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
#88027
A
can; must
B
can; may
C
must; can
D
may; must
推荐题目
—Why didn’t you attend the lecture yesterday?—I didn’t think that we _______ on Sundays.
#90145
A
should
B
ought to have
C
shouldn’t have
D
will have to
But for the sudden rainstorm, our trip to Hong Kong _____ a very pleasant one.
#88063
A
was
B
would have been
C
would be
D
had been
-----Where are the children? Professor Zhang has come and his speech will start soon.------I wish they always late.
#86939
A
hadn’t been
B
wouldn’t be
C
wouldn’t have been
D
weren’t
The headmaster demanded all the teachers ______ in the office.
#86783
A
mustn’t smoke
B
did smoke
C
should smoke
D
not smoke
––What a journey! We’ve finally arrived!––_____ an out-of-date train schedule, we would not have missed the train.
#86875
A
Had we not used
B
Did we use
C
If we didn’t use
D
If we had used