Unit 3 Would you like to come to my birthday party? Lesson 18 习题 2一、根据句意及首字母填空。1. Lets l_ the candles first and sing the birthday song.2. H_ is a birthday cake for you.3. Lisa, you can b_ out the candles now.4. I have a teddy bear f_ you!5. First, make a wish and t_ eat the cake.