The haze or smog was so serious that the winter running _________.Some students complained as they ran
#62272
A
could have cancelled
B
should have cancelled
C
must have been cancelled
D
ought to have been cancelled
推荐题目
—I’m going to New York this evening. Is there a flight to New York then?—There____ be a flight. But you’d better call the booking office to make sure.
#63561
A
must
B
may
C
would
D
will
— What does the sign over there say?— No person ______ enter the area without the official permission.
#63455
A
shall
B
may
C
must
D
will
Rose, you leave your school things on the floor like this. Keep your room clean and tidy.
#75698
A
may not
B
mustn’t
C
needn’t
D
wouldn’t
— Catherine, I have cleaned the room for you . — Thanks. You_______. I could manage it myself.
#63169
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done