It's stupid of him to speak ill of others .这个him在这里做啥成分···st

It's stupid of him to speak ill of others .这个him在这里做啥成分···st 不定词.It's stupid of him to speak ill of others It,s stupid of him to speak ill of others.哪个是主词? he is stupid to speak ill of others.you are kind to help me. it s only a w___ of time to speak to him.he will never liste It's ashamed of him to have got so much help from others but Do not speak ill of others It's wrong___ him to do the work.(of / for) It's very k__ of him to say so. It's typical of him to keep everyboby waiting. It's s___ of you to trust him It's very clever of him to say so.