填空题types kinds sorts
单项选择题A.they seem to be fun to beginnersB.they allow big winsC.they are easy to playD.big wins seem possible given enough time and money
单项选择题A.TuesdayB.WednesdayC.ThursdayD.Friday
填空题将to改成over。
单项选择题A.1979B.1989C.1982D.1972