When I dropped in,Dr Yang ___ just ___,so we only had time for a few words.(leave)

When I dropped in,Dr Yang ___ just ___,so we only had time for a few words.(leave) I was so tired that I ____ when I was sitting in the armchair reading.A . dropped awayB . dropped outC . dropped offD . dropped through 哪个正确呢?请翻译,非常感谢 翻译：i was about to go out when a friend of mine dropped in. when I dropped in,Mr Sun_____just_____(leave),so we had little time to chat I ( )my wallet when I was shopping in the store.答案为什么选择must have dropped而不是ought to have dropped? I dropped a tear in the ocean,and when i find it thats the day i will stop loving you. when i was a kid,my brother dropped the bomb I dropped a tear in the ocean,and when I find it is the day I stop loving you.谁英语学的好, drop 表示拜访的用法 小题Sam lives in Xi’an.I _______ his home when I went for Xi'an for a meeting.横线上应该填什么?是 dropped by 还是 dropped 为什呢? I happened to pass by,so I dropped in over the last When I came in,Dr Yang_____just________(leave),so we hah time for only a few words. I think you dropped---------- “s” in writing “baseball”.填神马? I dropped him in on my way to the hospital.I dropped him in on my way to the hospital. 句型转换1.We were about to give up when our class teacher came and lent us a hand.We were _____ _____ _____ of giving up when our class teacher came.2.It happened that I was out when he dropped in yesterday.I _____ _____ _____ out when he dropped My pen dropped on the ground when I__(waik)in the park.3Q3Q 英语翻译She dropped（drop）the tray when I spoke（speak）to her 用when来合并句子1.He telephoned me.I wushed the dishes.2.He listened to radio.I come to see him.3.My father dropped the case on the floor.He went in to the room. I think I dropped it during the concert so it might still be in the symphony