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Expressions
一般过去时的特殊疑问句。 基本句型：特殊疑问词+助动词did+主语+ 动词原形.......?
Where did he go for the holiday?
他假期去哪了？
eg : -- When did you buy this bike ?你什么时候买的这个自行车？ -- I bought it last year.我去年买的。
小练习 : Liu Tao _________(catch ) a big fish last week. ______ you _____(eat ) breakfast this morning ?
caught
Did
eat