【万圣节】Knock trick or treat

万圣节系列！欢迎收听！ Knock knock trick or treat Knock.Knock. trick or treat? Who are you? I'm a ghost. I'm a little ghost. Knock.Knock. Trick or treat? Who are you? I'm a cowboy. I'm a little cowboy. Knock.Knock. Trick or treat? Who are you? I'm a witch. I'm a little witch. Knock.Knock. Trick or treat? Who are you? I'm a monster. I'm a little monster. Knock.Knock. Trick or treat? Who are you? I'm a ballerina. A little ballerina. Knock.Knock. Trick or treat? Who are you? I'm a pirate. I'm a little pirate. Knock.Knock. Trick or treat? Happy Halloween! Happy Halloween!