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
答
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