he left home last year and I have never seen him since这句话语法对不
问题描述：
he left home last year and I have never seen him since这句话语法对不
句子改错：错句he left home last year and I did not see him since.改正后成he left home last year and I have never seen him since.请高手指教,
答
不错；完全正确!也可以是：he left home last year and I haven't seen him since 希望可以帮助你,