5．The 　　　　 　(education) system in America is quite different from that in China．

4．I don't think the diamond belongs to 　　　　　　 (she)．

3．Leo is active in sports．He is the 　　　　 　(strong) of all in his class．

2．--How many times have you been to Hong Kong? -- 　　　　　 (two)．

1．My daughter practises 　　　　　 (play)the piano at the weekend．