_____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?

_____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? h baby girl I m coming back home h baby girl I m coming back home Home home home home home home .H:How are you?A:I'm OK,too.________ .______to my home .Thanks,I will._____._____..A：And you ?H:I'm OK,too.________ .A:______to my home .H:Thanks,I will.A:_____.H:_____. my sister used to h ----- doing chores at home but now she likes to do them填h打头的 The party will be at Harry's h---.填h开头的单词.填home 还是 house为什么? Lisa's mother does most of the h---- in their home My two brothers do their h-------- after school.Then they go home My friend Lucy goes home for h＿＿ every year with her parents . He does his h----- at home after school补全对话,要翻译. She usually goes home for h( ) by plane.请说明holidays 加S吗?为什么？ She usually goes home for h( ) by plane.请说明holidays 为什么? Lucy h( ) to stay at home to do her homework every day.填空