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Something has to be done to stop the rivers from being further polluted,       ?
#64600
A
doesn’t it
B
hasn’t it
C
does it
D
has it
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She must have arrived there yesterday,_____?
#64684
A
mustn’t she
B
needn’t she
C
hasn’t she
D
didn’t she
---____do you go to work?---I take a bus.
#59936
A
When
B
Where
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A：       are these hats?B：They are black and white.
#60299
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Where
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How
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Black doesn’t believe his son is able to design a digital camera,_____?
#64544
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is he
B
isn’t he
C
doesn’t he
D
does he
---________ is this? --- It’s a photo of my family.  
#60221
A
Who
B
What
C
What’s
D
Who’s