问题描述：
what 引导的从句
有一个问题,急
my hometown is not _____it used to be ten years ago
a what b who c where d which
应选哪一个
有一个问题,急
my hometown is not _____it used to be ten years ago
a what b who c where d which
应选哪一个
问题解答：
我来补答展开全文阅读