—Whose shirt is this?—It ______ be Li Lei’s. It is too big for him.
#74370
A
could
B
must
C
might
D
can’t
推荐题目
The funny story makes  us ________ a lot.
#77001
A
laughing
B
to laugh
C
laughed
D
laugh
You ________ be hungry already — you had lunch only two hours ago!
#63107
A
wouldn’t
B
can’t
C
mustn’t
D
needn’t
Mr. Smith has promised that all of us will pass the exam, so it ____ so difficult as you imagine.
#63382
A
can’t have been
B
can’t be
C
mustn’t have been
D
mustn’t be