–What do you think the noise was? --It ___________ a cat.
#63484
A
may be
B
might be
C
can have been
D
might have been
推荐题目
— How’s your tour around the North Lake? Is it beautiful?— It ______ be, but it is now heavily polluted.
#62172
A
will
B
would
C
should
D
Must
(2013·银川高三一模)—Where is the post office?—It's just over there, at the end of the street. You ________ not miss it.
#62424
A
can
B
must
C
may
D
should
You ______be tired after working for eight hours without ______ a rest.
#74847
A
can; have
B
may; having
C
must; having
D
need; to have