1用It's+adj+of/for sb to do sth 2enouhg to do/too.....to do或者so that 来做下面的句子

1 Kittyy给我们每个人两件礼物，她真大方。Kitty is _____ _____ _____ _____ each of us two presents.Kitty is _____ _____ _____ she gives each of us two presents.It is generous _____Kitty _____ _____ each of us two presents. 2 Jim 学龄不够大，照顾不了自己。Jim _____ _____ _____ _____look after himself.Jim _____ _____ _____ look after himself.Jim _____ _____ _____ he _____ look after himself.

Kitty is generous enough to give each of us two presents.
Kitty is so generous that she gives each of us two presents.
It is generous of Kitty to give each of us two presents.

Jim is too young to look after himself.
Jim isn't old enough to look after himself.
Jim is so young that he can't look after himself.

it is+adj.+of sb. 这里的形容词是形容人的， 你可以假设人是---的，若通顺就用of eg: it is kind of you to help me. (you are kind.) it is friendly of them to lend money to me. (they are friendly.) it is+adj.+for sb. 这里的形容词是修饰后面的物或动作的。与人没关系，你假设人是---的，不通顺就用for 。 it is hard for him to carry the heavy box. (he is hard.)