Glass milk bottles can be used again and again, but they need __________ thoroughly, ____they?
A.to clean, needn’t | B.cleaning,don’t | C.clean, aren’t | D.cleaned, can’t |
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Glass milk bottles can be used again and again, but they need __________ thoroughly, ____they?
A.to clean, needn’t | B.cleaning,don’t | C.clean, aren’t | D.cleaned, can’t |