1.The students often do their homework in the evening.
2.We have classes from 8:00 to 15:00.
改为一般疑问句。
參考答案:1.The students often do their homework in the evening.
=Do the students often do their homework in the evening?
2.We have classes from 8:00 to 15:00.
=Do you have classes from 8:00 to 15:00?