--- Whose shirt is this? --- It _______ be Li Lei’s. It is too big for him. 
#53686
A
could
B
must
C
can’t
D
might
推荐题目
We should _______/ki:p/ quiet in the library. 
#52920
A
sleep
B
help
C
keep
D
cheap
The food in this shop ______ good and ______ very well.
#60523
A
tastes, sells
B
is tasted, is sold
C
tastes, is sold
D
is tasted, sells
It’s time      supper now.
#58487
A
for have
B
have
C
for
D
to