在空格处填入一个适当的词或使用括号中词语的正确形式填空

Good morning! This is my new friend, David. He is fifteen-year-old boy. He is from Cambridge, but he is Guangzhou, China now. He is learning(学习) (Chinese) in a school. Miss Liu is (he) Chinese teacher. old is she? Haha.. . It is a secret(秘密) ! She likes (play) table tennis very much, she can only play it on weekends. David likes table tennis . They often play table tennis on Saturdays and (Sunday). David thinks it's good (be) Miss Liu's student.