2014人教新目标七年级上Unit8 Section A 1a-2e课件+mp3
基变序,有规律,词尾加上th。
一二三 特殊记(first,second,third),
八加h(eighth),九减e(ninth)
ve要用f替,(fivefifth;twelve twelfth)
变y为ie,(twenty twentieth,thirty thirtieth)
-th 最后加上去,
若是第几十几,前为基,后为序。
(twenty-onetwenty-first; twenty-fourtwenty-fourth)
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