crazy. adj. 不理智的;疯狂的 (在句中作定语、表语、宾语补足语)
be crazy about 对..着迷;热衷于.. I’m crazy about football.
Does Cathy Taylor think it’s important for kids to join after-school activities?
It’s + adj.(easy,difficult,important,necessary) +(for sb.) to do sth
若形容词表示事物特征的,如:easy ,difficult, hard ,important 等,须用介词 for,形容物,用 for
It’s +adj( kind, honest, friendly, )+(of sb) to do sth.
若形容词表示人的性格、品质与特点,如:good ,kind ,nice, wrong 等,用介词 of。形容人用 of