Ⅰ、1、housework
2、How often clo you help your
mom do housework
3、hardly/never
4、health
5、Maybe
Ⅱ、6-10:A D B A C
11-15:C C B A A
Ⅲ、16-20:A A C B D
Ⅳ、21、They become ill.
22、No,it isn't.
23、A teacher or a tutor
24、You will think too much.
25,No,it isn't.