there are [twenty-five] boy students in his class she goes to bed [at ten in the evening] 括号提问

问题描述:

there are [twenty-five] boy students in his class she goes to bed [at ten in the evening] 括号提问

1.How many boy students are there in his class ?
2.When does he go to bed ?

How many boy student are there in his class ?
When does she go to bed ?

1.How many boy students in his class?
2.When does she go to bes?或What time does she go to bed?