We should do what we can to help the homeless people.what we can to do 是什么结构、什么成分呢?
...个问题是关于irresponsible 的用法:It is irresponsible of sb to do sthIt is irresponsible for sb to do sth参见:http://ask.yygrammar.com/q-26640.html我想请问一下,如果是 responsible 呢?怎么用?It is responsible of sb to do sthIt is responsible for sb to do sth我在词...