--- Whose backpack is this?--- It be Mary’s. She is looking for hers.
#74249
A
can
B
must
C
may
D
can’t
推荐题目
You _____ her in her office last Friday, she’s been out of town for two weeks.
#62649
A
needn’t have seen
B
must have seen
C
might have seen
D
can’t have seen
My sister met him at the cinema yesterday afternoon, so he your lecture.
#63160
A
couldn’t have attended
B
needn’t have attended
C
mustn’t have attended
D
shouldn’t have attended
Susan’s parents have bought a large house with a swimming-pool. It ____ be very expensive.
#76802
A
must
B
can
C
mustn’t
D
can’t
If you have difficulty_______a decision，wearing red_______it easier for you to take action．
#77326
A
make；making
B
made；making
C
making；make
D
making；makes