where had it come from假如是过去完成时态的话,不应该是where had it came from
问题描述：
where had it come from假如是过去完成时态的话,不应该是where had it came from
答
疑问句中 不区分时态和人称 动词都用原形
where had it come from假如是过去完成时态的话,不应该是where had it came from
疑问句中 不区分时态和人称 动词都用原形