中高考作文万能句it is adj to do 语法填空选择也常出

2020/11/19-14时7分26秒 It is +adj. (for sb. ) to do sth. It is important for us to protect the Earth for our future. To protect the Earth for our future is important for us It is dangerous (for us) to cross (go across) the street. It is +adj. (of sb. ) to do sth. Of adj.是sb的品质 It is bad of him to laugh at others. He is bad It is dangerous for us to cross the street. We are dangerous. Of 是人的品质，for 则不是。 It is necessary for us ________ English well. A learn B to learn C learning D learned