25.Did Lei Hao understand Miss Huang?　

24.What's Miss Huang?　

23.Why did Lei Hao go to school by himself(独自)?　

22.How old is Lei Hao?　

21.Where's Lei Hao from?　

19.Mike wrote many letters to his friend.(改为否定句)　

18.She likes reading and watching movies. (对划线部分提问)　

17.He is over sixty years old.(对划线部分提问)　

16.Old Henry is very friendly.(对划线部分提问)