Oh!Children.you ride the bicycle like that on the road．It's very dangerous! Sorr
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Oh！Children，you ________ride the bicycle like that on the road．It's very dangerous！
Sorry，sir．We won't next time．
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A．ought toB．ought to notC．not ought toD．oughtn't to试题答案
答案：D
解析：这是ought to的否定形式。 |