it is everyone's duty to___-our school a pleasant place to learn in

问题描述:

it is everyone's duty to___-our school a pleasant place to learn in
find setkeepmake

应用make.make sth a XX(adj.+n.)——使sth成为一个XX
keep后缺少一个介词.用keep的话要在our school后面加一个as,因为keep 意为保持一个状态,就是keep sth as +XX状态