根据所给首字母完成下面的短文。 I'd l 1 to tell you about Halloween. People in the USA celebrate it in the evening o 2 October 31st.On that day, children like to play a game c 3 'trick or treat'. They knock on p 4 doors and shout 'trick or treat'. If people don't give them a 5 candies, they can play a trick o 6 them. Usually they w 7 masks or paint their faces. People don't know who they are. Another i 8 thing is to make pumpkin lanterns. On the evening of that day, families always have a s 9 party. People can h 10 hot drinks and lots of nice hot food. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.