1．It was Sunday morning.The (weather) was fine.David and his friends didn't go to school.They went fishing in a river.His friends caught one fish after another,but David caught none.
2．Half (an) hour later,David had an idea.He went to a fish shop and bought(got) a big fish in it.
3．Then he went back to the river.He (took) the hook(鱼钩)into the fish's(mouth),and then threw the fish into the river.His friends knew nothing about all this,because each of them had his own work to do.
4．(after) a few minutes,David shouted,“What a big fish I've caught one last!”His friends were all surprised when they saw David pulling a big fish up from the water.They asked him how he was able to catch (such) a big fish.David had nothing to say,and he only smiled instead.
What a big fish I've caught one last!为什么要用one,而不是at
one指那条鱼,last本身就可以译为终于