回复信英文怎么说

write写信给某人，用write不能用reply或者return或者answer，这些都是及物动词，后面不应该有to，所以应该用不及物动词write to sb.

例句：

1、To write a letter in reply to a letter which you have receive

写信答复你收到的信

2、The author whom you criticize in your review have write a letter in reply.

您在评论中批评的那个作者已经写了一封回信。