it’s no use / good doing sth.为固定句型 doing

n 以下句型中,it为形式主语,真正的主语用动名词结构.n It is no use/good/need/fun doing sth.n It is a waste of time/a good pleasure…n It is not any use/useless…n It is a good habit getting up early.n It...还有么No more