分别用diffcult important necessary造句,结构itis adj for sb to do st

用it is diffcult for sb to do sth造句 用下面的信息造句,并用"It's +adj.+that..."或"It's+adj.+(for sb.)to do st 用vt it adj for sb to do sth结构造句并解释 用“It"s+adj+for sb to do sth”造句 用 it is+adj.+for sb.to do 造句 用it is important for sb to do sth造句 It is adj 造句 for sb to do sth 造句 lt is+adj+for sb+to do sth造句 It is+adj for sb to do sth 造句 it is +adj +for sb +to do 造句 写翻译 It's adj+for+sb+to do sth造句 It's +adj(+for sb)+to do sth造句