Birthday Crossword生日字谜
作者： 左伊
同学们，请根据下面的描述填出字谜。
Down
1. It’s sweet. We eat it on every birthday.
2. We light（点燃）it before eating birthday cake.
4. We write greetings（问候）on it.
Across
3. We play it at birthday parties.
5. It is a colorful rubber（橡胶）bag. It fills with air.
Keys： 1. cake 2. candle 3. game 4. card 5. balloon