Lesson1精通版·四年级上册Unit6MydayLet’senjoyHowmanybusesarethere?fiveeight十三Howmanybusesarethere?十四fivenineHowmanybusesarethere?seveneight十五Howmanybusesarethere?sevennine十六Howmanybusesarethere?nineeight十七Howmanybusesarethere?ninenine十八Howmanybus