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填入所缺单词完成句子. Many years ago people didn't travel by . They didn't travel by .They didn'

编辑:chaxungu时间:2026-04-23 21:16:34分类:小学英语题库

填入所缺单词完成句子。 Many years ago people didn't travel by ______________. They didn't travel by ______________.
They didn't travel by ______________.bike, plane, train
答案不唯一