---Whose notebook is this? --- It ________ belong to Lucy. Look, her name is in it.
#76358
A
must
B
can
C
can’t
D
need
推荐题目
--- My son is _____ to be seen. Where has he gone? --- I think he _____ in the building. 
#62906
A
nowhere; must be hiding
B
nowhere; must be hidden himself
C
anywhere; hides
D
everywhere; hides himself
Mary ______ my letter; otherwise she would have replied before now. 
#63420
A
has received
B
ought to have received
C
couldn’t have received
D
shouldn’t have received