    Sentence 1s-Hew witdy- ndst it ‘be°to detay-a  plane’... takeoff. -on . ai" average’ airliner  “flight? :         Sentence. 2:. If every ‘passenger, “on™ an  airlineé were to suddenly.rush:: to. one “end  of the plane,* would: it cause.‘any “hindrance  to’ the flight? -.; < ie      