给下列句子选择正确的答语。 ( )1. What's your favourite festival?A. It's an autumn festival in the UK. ( )2. What's Halloween?B. Easter. ( )3. Trick or treat?C. They wear scary clothes. ( )4. What do children do at Halloween?D. OK! Some sweets for you. ( )5. Festivals are fun and fine.E. Yes, I love festivals.