John must have forgotten to return the magazine to the library yesterday, _________?
#65156
A
mustn’t he
B
hasn’t he
C
haven’t he
D
didn’t he
推荐题目
 ______ are you doing this evening?        
#60412
A
How
B
What
C
When
D
Where
Listen! His family must be quarrelling, ____?
#65388
A
mustn’t it
B
isn’t it
C
aren’t they
D
needn’t they
—— Do you think there will be robots in school? ——        .
#59771
A
Yes, I do.
B
No I don’t.
C
Yes, there will.
D
No, there don’t.