几道英语改错题.

问题描述:

几道英语改错题.
1.I can't hear clearly.I'm dull with hearing.
2.For all the bags in the shop,this one is the cheapest.
3.Her younger brother is 6 years old,and her younger brother is only 4 years old.

1.with改为of
2.For改为Of
3.后面那个younger改为youngest