—Whose workbook is this, Tony?—Look! Ann's name is on it! It ______ be hers.
#74539
A
can't
B
must
C
may
D
mustn't
推荐题目
—Listen! There is a knock on the door. Who _____ it be?—It must be Jack. Just now I sent for him.
#63686
A
shall
B
can
C
must
D
might
—Susan’s parents have bought a large house with a swimming pool.—It be very expensive.
#78199
A
must
B
can
C
mustn’t
D
can’t、
(2013·皖南八校一模)I felt surprised that anyone of his intelligence ________ such an easy test.
#62427
A
might have failed
B
could have failed
C
should have failed
D
must have failed
