英语：1.改否定句.2.改一般疑问句.3.作肯定回答.4.做否定回答.

1.we (are happy) in our school.
We aren't happy in our school.
Are you happy in your school?
Yes,we are.No,we aren't.
2.in the evening I feel a little tired.
In the evening I don't feel a little tired.
Do you feel a little tired in the evening?
Yes,I do.No,I don't.
3.Our school life is very interesting.
Our school life isn't very interesting.
Is your school life very interesting?
Yes,it is.No,it isn't.
4.Boys help people take their bags.
Boys don't help people take their bags.
Do boys help people take their bags?
Yes,they do.No,they don't.
5.Girls help clean the rooms.
Girls don't help clean the rooms.
Do girls help clean the rooms?
Yes,they do.No,they don't.