甘肃省2012届高三英语二轮专题集训：补全对话+单词拼写（31）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。选项中有两项为多余选题。 — 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
