The boss has given everyone a special holiday, so we   go to work tomorrow.
#87937
A
can’t
B
mustn’t
C
needn’t
D
shouldn’t
推荐题目
Should it rain, the crops _____ . 
#87153
A
would be saved
B
would have been saved
C
will be saved
D
had been saved
—My cat’s really fat.—You _______ have given her so much food.
#89080
A
wouldn’t
B
couldn’t
C
shouldn’t
D
mustn’t