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

学习 时间:2026-05-30 21:05:22 阅读:2546
_____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?

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愉快的大雁

害怕的荷花

2026-05-30 21:05:22

Con/upon doing 一怎么样固定搭配)

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  • 优秀的长颈鹿
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    2026-05-30 21:05:22

    Con/upon doing 一怎么样固定搭配)

上一篇 i believe that it is worth much money.提问that it is worth muc

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