Lock open 和Locked

Lock open 和Locked You can't push the door open.I___it A have locked B am locking ClockedD lock I remembered ______ the door.In fact,the door was open all night.A.lock B.locking C.to lock D.locked THE LOCK WHO WILL OPEN 英语单词open的用法he is reading with the door __.A open B opend为什么不选B 正确答案是AHe left with the door locked.为什么这是lacked不是lock呢 单词尾加 ed代表什么?如 lock 加后是 locked We need ( )to open the locked door Negative Heart lock on!Open heart! Nagative Heart Lock On Open Heart 高中英语非谓语(要讲解啊） 英语不好,希望各位大侠帮帮小弟.1.the door was open .i remembered ( ) it before.a.having locked b.have locked c.to lock d.to having locked2.the deaf child requires( )a.taking good care of b.to take go 只要“unlock 、Open Heart 、Negative Heart、Lock On“unlock 、Open Heart 、Negative Heart、Lock The door remined ____A.locked B.locking C.to lock D.to be locked正确答案选a 选什么?You were silly not __your car.A:to lock B:to have locked C:locking D :having locked You are silly not______ your car.A.to lock B.to have locked C.locking D.having locked 为什么? 64.You were silly not _____ your car.A.to lock B.to have locked C.locking D.having locked You were silly not__your car.A.to lock B.to have locked C.locking D.having locked讲解一下吧. Lock Open 是什么意思?阀门下面的LC,就是Lock Close,是什么意思啊?这种LO的阀门和NC阀门有什么区别?谢谢!晕!我当然知道Lock Close就是连锁关闭,Lock Open就是连锁打开的意思.NC就是Normal Close,意思就是 All the afternoon he worked in his study with the door .　　A.to lock B.locking C.locked D.lock