美语发音问题·The two happily opened the box．这句 opened 中的d 和 后面的the

美语发音问题·The two happily opened the box．这句 opened 中的d 和 后面的the 基数词作主语必须在基数词前加the吗?如 the two happily opened the box i had opened the box 和 i have opened the box As he opened the box翻译 At last the boy opened the box with a knife.同义句()the boy use 请问the door opened suddenly 这个opened后面的ed是什么意思?怎么来的? andy opened the box and showed them the ghost. andy opened t At last the boy opened the box with a knife.同义句 The door opened and() the shop is opened. S(),the door opened the store opened语法