—Is this your eraser?    —______.   
#59763
A
Yes,it isn’t
B
No,this isn’t
C
No,it isn’t
D
Yes,this is
推荐题目
Someone must have taken it away this morning, ____?
#65013
A
haven’t they
B
hasn’t he
C
don’t they
D
didn’t he
We have to camp near, ___?
#65296
A
don't we
B
haven't we
C
will we
D
needn’t we
— Must I come at four o’clock?— Oh, no, you ____.
#60360
A
don’t
B
mustn’t
C
don’t have to
D
can’t
You must have read about Mark Twain long ago, ____?
#64539
A
mustn't you
B
haven't you
C
didn't you
D
needn't you