-----Do you know where David is ?  I couldn’t find him anywhere.-----Well. He _______have gone far-----his coat’s still here.
#63000
A
shouldn’t
B
mustn’t
C
can’t
D
wouldn’t
推荐题目
My sister met him at the Grand Theater yesterday afternoon, so he ________ your lecture.
#63289
A
couldn’t have attended
B
needn’t have attended
C
mustn’t have attended
D
shouldn’t have attended
—May I swim here?  — No, you _______.  It is dangerous.
#62690
A
won’t
B
needn’t
C
mustn’t
D
don’t have to