8:30可以表示为：half an hour after eight吗?

8:30可以表示为：half an hour after eight吗? half past one可以表示时间1:30吗,还是one hour and a half half an apple 还是a half apple还是都可以 half an hour?half an hour、an hour and a half 、 one and a half hours和one half hour都能表示一个半小时吗? half an hour中的half词性为什么是名词? Half an I sometimes play basketball for half an hour同义句改half an hour 为空空 before后可以接half an hour He went to Hangzhou before half an hour .before 后可以接”half an hour ”.为什么 she always dances for half an hour对划线部分提问划线部分为half an hour half an hour later half an hour造句 Half an hour. in half an hours She looks ____ today.A.happy B.happily C.worry D.like happyShe has ___- brothersA.not B.not a C.no D.no manyIt took us ____ to get to the top of the mountainA.one hour and a half hourB.One and one half hourC.an hour and a half hourD.one and a half ho a half hour还是half an hour? 是half hour还是half an hour? half an hour or a half hour? 半小时用英语讲为什么是half an hour而不是a half hour一个半小时用英语将为什么是one and a half hour 而不是one and half an hour?