—Do you know whose dictionary it is?—It ________ be Ann’s. Look! Her name is on the first page.
#74986
A
must
B
could
C
might
D
can
推荐题目
—Where _____ Mary have put the empty bottles? — She _____ them away. They must be somewhere.
#63263
A
can; can’t have thrown
B
must; needn’t
C
must; must have thrown
D
can; mustn’t have thrown
--Who’s the man over there?Is it Mr Black?----It _____be him.He’s much taller.
#75687
A
mustn’t
B
can’t
C
should
D
may
Alex changed his mind at the last minute，otherwise we ________ an agreement.
#62310
A
should have reached
B
could have reached
C
can reach
D
should reach
I’m really tired of Tom because he ______ keep asking silly questions.
#62705
A
can
B
will
C
must
D
would
It has been announced that candidates remain in their seats until all the papers have been collected.
#63016
A
shall
B
can
C
should
D
must