Amy was very sad because her pet dog _____yesterday请问应该填什么?died?可是had died为啥不行?
问题描述：
Amy was very sad because her pet dog _____yesterday请问应该填什么?died?可是had died为啥不行?
答
因为她的狗昨天死了,用过去时就行,没必要用完成时,那样就变成
她的狗昨天已经死了,用在句子中不是很通顺