---Someone’s been here. Who ___ it be? It looks like Helen.---It ___ be Helen.She is ill in hospital.
#88920
A
must; must
B
might; could
C
can; mustn’t
D
can; can’t
推荐题目
The truly homeless are the rich who __    _ their home into a hotel hall.
#87931
A
will turn
B
turned
C
are turning
D
have turned
 The headmaster demanded all the teachers ______ in the office.
#86783
A
mustn’t smoke
B
did smoke
C
should smoke
D
not smoke
The suggestion he _______ is that all the students ______ the orphan.
#87366
A
come up with, help
B
came up with, help
C
come up with, will help
D
came up with, will help