New York and Washing ton D.C are good places to visit -----M

4个回答

  • 选C

    年月日前用on(on September 10th,2003),节日前用on(on ChristmasDay),在年代前用in(in 2008),季节前用in(in spring/summer/autumn/winter),月份前用in(in September),年月前用in(in September,2008),在日前用on(on May 10th)

    语法其实并不难,语法也像数学那样有公式,只要你把那些牢记了就没什么大碍