1.He always helps other people_____.

1.He always helps other people_____.
A.stay health B.on his life C.in this lives D.on his lives
2.Li Ping studies ____harder than his brother.
A.many B.much C.little D.more
3.It's my _____to play basketball after school.
A.favorites B.favoring C.favorite D.favorite food
4.May I _____?
A.try it on B.try on it C.trying on it D.trying it on