甘肃省2012届高三英语二轮专题集训:补全对话+单词拼写(15)补全对话:根据对话内容,从对话后的选项中选出能填入空白处的最佳选项。并在答题卡上将该项涂黑。选项中有两项为多余选项。 — mum, my old bike has gone wrong again. what shall i do? — 1 — great! but can i have a mountain bike. — why a mountain bike? there’re no mountains around here. — mountains bikes are stronger, and they’re better at going up hills. but i… — 2 — money. do you know how much they cost? at least $300 each! how can i get so much money? — 3