凡是变坏,往往用go,如：go bad,go mad,go crazy,go wrong,go sour,go deaf.
颜色的变化习惯上用turn,如：turn red,turn yellow,turn green.
夜短日长的变化用get,如：the days get longer and nights get shorter；it was getting dark.
接职业时,多用become,如：become a teacher,become a writer.
还有一些用法与区别需要我们边学边记.
所以该题的答案为go.