What door couldn't open and cloes never?

Try ___she might,Sue couldn't get the door open. I___(try)to open the door but I couldn't What keys won't open door what has happened?I __ (lose) my key and can't open the door It's so hot.___the door,please.是cloes ,turn on,还是open Try ____ she might,Sue couldn’t get the door open.为什么填as?语法上 1.Try as she might,she couldn't get the door open.前半句怎么理解? 求解单选题?:Mr Smith couldn't open the door because his naughty b __,my cousin still couldn't get the door open a might she as the door wouldn't open 两道高考英语单选题22.Try she might,Sue couldn’t get the door open.A.i destiny never open a door without closing a door