－Excuse me, does Mr Smith’s son live here?－He _________ be here, but he has moved.
#60880
A
has to
B
used to
C
tried to
D
happened to
推荐题目
Peter, _________the door when you leave the room.
#52440
A
remember closing
B
remembers to close
C
remember to close
D
remembers closing
We should never ________till tomorrow what we can do today.
#59603
A
put on
B
put off
C
put up
D
put out
Daniel is one of those students who _______ always willing to help others .
#61678
A
is
B
are
C
was
D
were