The police hid __behind the building.a,himb,himselfc,themd,themselves为什么选a啊

The police hid __behind the building.a,himb,himselfc,themd,themselves为什么选a啊 the police hid behind the tree in order not to be seen by the rubbersa,himb,himselfc,themd,themselves Smile always hid inside the piece of tell the police the the police station是什么意思 Call The Police 歌词 Quick!Call the police call the police是什么意思 Police fire into the Circle the police officer so are the police THE BANGVILLE POLICE怎么样 keeping off the police the police caught the thief. Smile always hid inside the piece of pain是什么意思 she hid herself away from the public’s attention翻译 The naughty boy hid away for two days before he was discovered.这句话里 hid away 是不是要用had hid away 如果是 为什么? call up the police call the police up 哪个对?