选词填空

【小题1】The dog is ________ the gate.(表语)
【小题2】The key ________ the door is lost.(定语)
【小题3】He ran out from ________the tree.(介词宾语)
【小题4】She was red ________ anger.(状语)
【小题5】When he woke up,he found himself ________ the hospital.(宾语补足语)