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英语短文改错A long time ago,when planes were not very big and stro

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英语短文改错
A long time ago,when planes were not very big and strong yet,all passengers have to be weighed with their luggage,so that planes did not have to carry much than it was safe to carry.Then later,when planes became bigger and strong,only the luggage had to be weighed;and now very often,luggage has to be measure instead of being weighed,because size is the more important to the airlines than weight.Planes are such big and strong now,that they can carry almost some weight.
英语短文改错A long time ago,when planes were not very big and stro
英语短文改错
A long time ago,when planes were not very big and[and -- or] strong yet,all passengers have[have--had] to be weighed with their luggage,so that planes did not have to carry much[much--more] than it was safe to carry.Then later,when planes became bigger and strong[strong--stronger],only the luggage had to be weighed;and[and--but] now very often,luggage has to be measure[measure--measured] instead of being weighed,because size is the[去掉the] more important to the airlines than weight.Planes are such[such--so] big and strong now,that they can carry almost some[some--any] weight.