The door remained locked.我知道remain是系动词,为什么后面加了ed,是过去式吗?

the door remained ___a)closingb)locked选什么 Fear knocked at the door.Faith answered.And lo,no one was there.怎么翻译? The door remained locked.我知道remain是系动词,为什么后面加了ed,是过去式吗? the next day they found that the door remained -,and that the boss was gone .a.to lock b.locking c.locked d.to be locked 3.The door of the shop remained ___,though it was ten o’clock am.A.opened B.opening C.locked D.locking Lo The projects remained on schedule.如题. when I got home ,I found the gas ( ),but the door remained ( )A.burning ;locked B.burning ,locking C.to burn ,to luck D.burned ,locking望说明原因， The door remained _____for quite a few days.A.locking B.locked C.lock D.to lock正确答案是B,为什么不能选A呢?这里是不是有关于remain的一些用法? Few remained of the house after the earthquake.这里的remained是什么词性 the ramaining 30 yuan还是the remained 30 yuan feel the door是什么意思 next to the door next to the door Open the door,please. clear the door S(),the door opened stand in the door