改特殊疑问句：
who do they like?
what do you do at 7 o'clock every day?
when do the students get up every morning?
when do they go swimming?
改一般疑问句：
Do they like their Chinese teacher?
Do you go to school at 7o'clock every day?
Do the students get up at 6:30 every morning?
Do they go swimming after school?