题目内容
2.We live on thetwentieth (二十) floor in this new building.分析 我们住在这座新大厦的二十楼.
解答 答案:twentieth.结合句意是说住在二十楼,也就是第二十层,故用序数词,twentieth第二十,故答案是twentieth.
点评 基变序,有规律,词尾加上-th.一,二,三,特殊记,词尾字母t,d,d.八去t,九除e,ve要用f替,ty将y变成i,th前面有个e.若是碰到几十几,前用基来后用序.
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