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6
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195
陈709479558
一定是Must be一定不是 Certainly not
走遍大中华
it is not all the people that go to school by bus. Not all the balls are round
榜样的力量
certainly,defintely,surely,be sure(not)
小骨头骨头
Ten million 千万scarcely一定(不)
幻影墨斗鱼
用never,如he will never die!他一定不会死!
wangyan0223
语法没错He can't be in the classroom一般来说,must的否定是can't(mustn't是禁止的意思)
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