It's more than half a year since I became a teacher.这句话对吗
问题描述：
It's more than half a year since I became a teacher.这句话对吗
答
这个句子是正确的.since后面用一般过去时是对的,前面按理使用现在完成时,但通常都用一般现在是代替现在完成时.又如：It is three months since he wrote to me.