语法填空Soon we became very good friends.____ we parted,we have kept writing to each other.
问题描述：
语法填空Soon we became very good friends.____ we parted,we have kept writing to each other.
答案是after,填though为什么不行?求详解,谢谢
答
这句话的意思是：很快我们就成为了很好的朋友.分开以后,我们坚持通信.though是虽然的意思,放在这里解释不太通顺.