I left my keys,I had to get in ( ) the windowA in B through C over D to

I left my keys,I had to get in ( ) the windowA in B through C over D to 英语：I left my keys in the room yesterday.I had to get in through the window.get in through 初三英语过去完成时when I got home,I realized I had left my keys at home中的过去完成时可不可以换成过去时? Why are you outside?Because I ----- my keys before you came here.是left还是 had left我也以为是had left.可练习册参考答案用的left.我就感到纳闷,以为这很特殊. 改错：Where are my keys?I can’t remember Where I left it急 i found my unbrella where i had left it I left my keys on the table in my office还可以怎么说把left换掉 I left my keys behind.我忘了带钥匙了.中的behind怎么理解 It was not until I got home ____ I found that I had left my keys in the office.A.before B.when C.that D./B为什么不对,请解析, I have lost my keys; I can't remember where I left it.这句话为什么去掉it -I left my keys in the room yesterday.I had to get in( )the window.-It's dangerous to do that.a.in b.through c.over d.to just as iwas leaving the house,it occurred me that i had forgotten my keys 答案是A,但我觉得jacket 和hang 之间应该是被动的.后面是个定于从句,还原应该是 i had left my jacketI was happy to find my keys were in my jacket that I had left _____on the double bars on the playground. A. hanging 答案是A,但我觉得jacket 和hang 之间应该是被动的.后面是个定于从句,还原应该是 i had left my jacketI was happy to find my keys were in my jacket that I had left _____on the double bars on the playground. A. hanging I left my How t____!I lost my keys. I not once had left I left my keys in the room,so Ihad to get in rhe room t_____the wundow yesterday day.