I left keys in the room and I_____get into the room.1could 2couldnt 3dont 4didnt

i must have left the keys in the cofe. 英语：I left my keys in the room yesterday.I had to get in through the window.get in through I left my keys on the table in my office还可以怎么说把left换掉 I left my keys,I had to get in ( ) the windowA in B through C over D to I left my keys in the room,so Ihad to get in rhe room t_____the wundow yesterday day. can it be in the classroom____ you left your keys I left keys in the room and I_____get into the room.1could 2couldnt 3dont 4didnt I found a of keys in the backpack -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 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, 1.I won't lend you the book until I ( ) reading it.A.will finish B.have finished C.shall finished D.will have finished2.Helen ( ) her keys in the room so she had to wait until her husband ( ) home.A.has left,come B.left,had come C.had left,came D.had I lost my keys in the playground.Please help me6个单词I lost my keys in the playground.Please help me（）for it 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 16.Mrs Smith----- her keys in the office so she had to wait until her husband ------home.A has left;comes B left;had comeC had left;would come D had left;came Helen _______ her keys in the office so she had to wait until her husband ________ home.a.has left;comes b.left;had come c.had left;came d.had left;would come要有解析, Helen___her keys in the office,so she had to wait until her husband___home.a.has left,comeb.left,had come c.had left,come d.had left,would come帮帮忙啊~~~解释一下~~~ Helen _____ her keys in the office so she had to wait until her husband _____ home.A.had left; comes B.left; had come C.had left; came D.had left; would come