I returned to my ship as the sun was setting 请问可以用when代替as吗?为什么?as是引导词吗?

I had to returned to my home. 有错吗? When I lost my wallet,I never expected it to be returned.为什么用be returned ,为什么用被动. when i returned to my mother land ,i was nearly lost .aimost everything changed When I returned to the classroom,I found my watch（ ）.是用lost还是missing? 改错：I have returned back to my motherland.Thanks to your help My father had returned from his business visit to London when I came in,rather late,to supper.I 英语（ ）to my room,I found my watch missing为什么选择Returning而不选择Returned I have just returned from a visit to my landlord--the solitary neighbour that I shall be troubled with. Today, I returned to the maternal family. The road is very far, my twohours only then. The grandmot It was still early when I returned home.为什么不是It was still early when I returned to home.returned和returned to有什么区别啊? My feet have never returned to the ground. My feet have never returned to the ground My cousin has returned to her grandmother's home, 再请教一下-－when will you come to my house?---I will come here to see you when I returned from shanghai.这里用when怎么不对. When I returned to my hometown.I was nearly lost.Almost______ had changed.A.nothingB.anythingC.somethingD.everything选什么 为什么 When I returned to my hometown.I was nearly lost.Almost______ had changed.A.nothingB.anythingC.somethingD.everything为什么B不行 i returned to this year in a time i returned the book to the library的同意句