---Look at the glasses on the desk. Are they David’s?---They      belong to him. I saw him go out with glasses just now.
#74298
A
might
B
could
C
mustn’t
D
can’t
推荐题目
—Must I water the flowers now?  —No, you ________ . You __________ do it later.
#74201
A
mustn’t, must
B
mustn’t, may
C
needn’t, may
D
needn’t, must
 You’d better ____ football in the street.
#76080
A
play
B
not play
C
not to play
D
not playing