-----arriving home,he saw the letter behind the door on the

学习 时间:2026-09-27 16:27:33 阅读:2074
_____arriving home,he saw the letter behind the door on the floor.A.Over B.In C.Upon D.At答案为什么是C,不能是D?

最佳回答

清爽的白开水

闪闪的电话

2026-09-27 16:27:33

Con/upon doing 一怎么样固定搭配)

最新回答共有2条回答