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

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

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.