Chris教你学唱歌2-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 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 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 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 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 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? Who are you? I'm a pirate. I'm a little pirate. Knock. Knock. Trick or treat? Happy Halloween! Happy Halloween! Knock. Knock. Trick or treat? Happy Halloween! Happy Halloween!