Sir, you ______ be sitting in this waiting room. It is for women and children only. 
#87994
A
oughtn’t
B
shouldn’t
C
won’t
D
needn’t
推荐题目
 Thanks to my teacher's valuable help, otherwise I ________ my college entrance exam.
#86483
A
can't pass
B
hadn't passed
C
would not have passed
D
have not passed
The flight was put off due to the typhoon. Otherwise, we______ the beautiful scenery in Greece now.
#87252
A
would be enjoying
B
would have enjoyed
C
will enjoy
D
must have enjoyed
You must be a writer, _____?
#90135
A
mustn’t you
B
are you
C
must you
D
aren’t you