my mother had got the dinner ready by the time the guests arrivedwhat ( ) your mother ( ) by the time the guests arrivedgot the dinner ready划线部位提问
问题描述:
my mother had got the dinner ready by the time the guests arrived
what ( ) your mother ( ) by the time the guests arrived
got the dinner ready划线部位提问
答
was doing
表示过去进行时
意思是 你的妈妈在客人到来那个时候正在做什么