—Are you going to the concert?—I’m not sure. I     stay inside and watch it live on TV instead.
#63677
A
can
B
might
C
should
D
must
推荐题目
— Who’s singing in the next room? — It ______ be Mary. She ______ New York. 
#75016
A
mustn’t, is in
B
must, has gone to
C
could, has been in
D
can’t, has gone to
– James didn’t ____ last night, did he?– No. He ____. We had changed our plan.
#63144
A
turn away; shouldn’t have come
B
turn up; needn’t have come
C
turn up; didn’t need to come
D
turn away; doesn’t need to come