when my parents got home yesterday,I____already____the dinner.A have cooked B had cooked

问题描述:

when my parents got home yesterday,I____already____the dinner.A have cooked B had cooked

当昨天我的父母回到家的时候我已经吃完了晚餐,父母回家是got用的是过去时态,而吃完晚餐发生在父母回家之前,所以是过去完成时,答案为B