来自解传军的问题
【应该说Usedittobethoughtthattheearthwasflat吧答案选Useditbethoughtthattheearthwasflat觉得不大对劲儿】
应该说Usedittobethoughtthattheearthwasflat吧
答案选Useditbethoughtthattheearthwasflat觉得不大对劲儿


【应该说Usedittobethoughtthattheearthwasflat吧答案选Useditbethoughtthattheearthwasflat觉得不大对劲儿】
应该说Usedittobethoughtthattheearthwasflat吧
答案选Useditbethoughtthattheearthwasflat觉得不大对劲儿
itusedtodosth表示过去常常做什么
它的疑问和否定都有两种表达
疑问:usedittodo./diditusedto
否定:itusedn’ttodo/itdidn'tusedto
你的提问就是陈述句itusedtobethoughtthattherearthwasflat.采用了第一种疑问式变成的疑问句.以前人们认为地球是平的吗?