他在门后安装了一个衣帽挂钩。
He installed a coat ___hook behind the door.
我把外套挂在入口附近的钩子上。
I hung my coat on the ___hook near the entrance.
他在抛线前把蚯蚓挂在鱼钩上。
He attached a worm to the ___hook before casting his line.