be + adj + to do主动表被动中有哪些形容词可以这样用?答:Sth is easy to do.或find sth easy to do结构:“某些形容词+不定式”的结构中, 不定式与句子主语有动宾关系时。(常用于此结构的形容词有:difficult, easy, hard, interesting, pleasant, nice, bitter, fit, dangerous, light, heavy, important等)The picture is pleasant to look at.The ...