The police still haven’t found her, but they’re doing all they _____.
#89561
A
may
B
can
C
must
D
will
推荐题目
－You must say sorry to Mary, Jack.－Why ________ I say sorry to her? It’s her who hurt me first.
#89525
A
should
B
would
C
could
D
might
Nobody knows how people first came to these islands. They _____ from South America on rafts.
#87576
A
ust have sailed
B
an sail
C
ight have sailed
D
hould have sailed
Such a businessman ____ honest; he gets his money by dishonest ways.
#88054
A
can’t be
B
can’t have been
C
may be
D
may not be
– Mary was crying sadly. -- Oh, she ________ the bad news that her mother was badly injured in the accident.
#87842
A
must know
B
might have known
C
must have known
D
should have known
We ________ the difficulty together，but why didn't you tell me?
#86554
A
should face
B
might face
C
could have faced
D
must have faced