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随时随地学习
随时随地学习
快乐的课间(Happy Class Brak)th bll rang and th class was ovr. th classroom bcam noisy. som studnts wnt out of th classroom. i was just chatting with som of my classmats whn li hong cam to m. sh smild and said to m, "what's four minus four? do you know?" "it's zro. that is asy." answrd i.but li hong shook hr had and said "it's wrong. it's ight." "why? that's impossibl!" "you will undrstand if you cut down four cornrs of a dsk." said li hong. "is that a jok?" "oh, ys." w all laughd. during th class brak, w had a good rst. w oftn hav a plasant brak.
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