I looked everywhere for the book, but I ______find it
#76915
A
mustn’t
B
needn’t
C
may not
D
couldn’t
推荐题目
She ______have stopped her work halfway.
#63021
A
ought to not
B
ought not to
C
not ought to
D
does not ought to
It was so dark outside that the little child ________ go out by himself. 
#62941
A
dare not to
B
dared
C
dares
D
didn’t dare to