考博英语完形填空 30 篇（附答案解析)（一）Mrs Brown had just finished cooking when she heard a knock at the door. She was __1__ because the postman and the milkman had already ___2__ there。 She went into the ___3___ room and， pulling the curtain （窗帘） back a little， loo...

时间:2025-03-07 20:53栏目:高等教育