heoftenmakesamessinhisroom（一般疑问句）hegoestobedat9:00（划线提问）被划线的是at9:00jakeisreadingbooksatschool（用often改写为一般现在时）

Question

he often makes a mess in his room （一般疑问句）
he goes to bed _at_9:00______ （划线提问）被划线的是 at 9:00
jake is reading books at school（用often改写为一般现在时）

Answer 1

1、He often makes a mess in his room.（一般疑问句）
Does he often make a mess in his room?
2、He goes to bed (at 9:00)?（划线提问）
What time does he go to bed?
3、Jack is reading books at school.（用often改写为一般现在时）
Jack often reads books at school.