This boy is fifteen years old and he is a___to dress himself.

问题描述:

This boy is fifteen years old and he is a___to dress himself.
根据首字母填出单词,

able
be able to do sth = can
be able to do sth侧重于客观事实,can则侧重于主观意愿
十五岁的男生已经能够自己帮自己穿衣服了.