Before I left the room,I ——（turn）the light.要用过去完成时吗有一个老师说两者没有关系所以不用，我想看看大家怎么说

i remembered ______ the door before i left the houseA:lockingB:lockC:to lockD:locked 连词成句：train,left,before,there,I,had,the,arrived Before I left on the trip ,I had trained hard and I had got very fit.请翻译一下. I was stopped me soon ( ) left the bank.a.after b.before c.sinceI was stopped soon ( ) I left the bank. the other day,I found my banknote__ I had left some weeks before.Awhich B where C./ 选哪个? The building _____(建成)before i left.需要用完成时 还是 过去式 还是各有意思i turned off the lights before i left为什么用过去式 i had turned off the lights before i left为什么用完成时 第一个表示过去完成的 第 The day before he left home.before he left home做什么成分 I‟m sure you will find the cinema _____ your left.A.on B.before C.in D.after Just before the English class,Isuddenly realized that I ( ) myEnglish testbooks at home.a.left b.had left c.forgot d.had forgotten I ___ the book I wanted to find before I left the bookstoreA.caught sight ofB.caughgtC.got holdD.lost sight of I remembered( )the door before I left the office,but forgot to turn off the lights.A.locking B.to lock C.having locked D.to have locked. I remembered ( ) the door before I left the office,but forget to turn off the lights.A.locking B.to lock C.locked D.to locking i am the left wing don't liar anything before i left Mr.Game .don't liar anything before i left Mr.Game all the people left( ) i arrived at the airport. so i picker up nobody.请问括号里填after还是before 翻译:There is only one week left before the exam. There is only one week left before the 中文! they left the house an hour______(ago before)