Plastic bottles can be recycled but they need cleaning thoroughly, _______ they?
#64598
A
needn't
B
don't
C
mustn't
D
can't
推荐题目
       Jim got an egg         a cake ?
#60015
A
Has ; or
B
Does ; and
C
Has ;and
D
Have ; or
____ will he be back? In a week. 
#59917
A
How long
B
How soon
C
How often
D
How many
---Is there a park near your house ?---No, _________. But there is a school.
#60312
A
it isn’t
B
I’m not
C
it doesn’t
D
there isn’t