don't改为doesn't, something改为anything, having改为have ,a改为an, effects改为effect
这句话改一下：Had quality-oriented education not been practised,seldom could students ...
advantages改为advantage, I'm改为I've
高中英语作文求挑错,求改正,谢谢!（150字左右的）
don't改为doesn't, something改为anything, having改为have ,a改为an, effects改为effect
这句话改一下：Had quality-oriented education not been practised,seldom could students ...
advantages改为advantage, I'm改为I've