09：Pat's Birthday
循序漸進學英語系列9：Pat's Birthday（兒童英語教材典範之作）
5.
1. They usually go to bed at eight o’clock.
2. Yes, she is.
3. They brush their teeth.
4. So he can sing it to his friends. / Because he wants to sing it to his friends.
5. Daddy did.
6. Yes, he did.
7. Yes, she can.