he has been in Shanghai for ( )A.two and a half months B.two and half a month C.two month and a half D.two months and half
问题描述：
he has been in Shanghai for ( )
A.two and a half months B.two and half a month C.two month and a half
D.two months and half
答
He has been in Shanghai for ( two and a half months )
two and a half months =two months and a half
答
B two and half a month 对（表达正确）
A . two and a half months 表达错误（half 应在带此前固定用法）
C.half 后没有修饰成分不清楚 不正确
D .同c同理
答
答案是 A
two months and a half == two and a half months
答
B two and half a month 两个半月
he has been in Shanghai for two and half a month
他已经在上海呆了两个半月
若有疑问及时追问，满意敬请采纳，O(∩_∩)O谢谢~~