1.Althou it was late when I returned,the light in her room was still
问题描述：
1.Althou it was late when I returned,the light in her room was still
open
2.The poor man didn't know whether he to go there or not.
3.I think that the book is worth being read many times.
4.One of the words maybe used twice.
答
1、open改为on 2、to改为should 3、for many times 4、maybe改为 may be.不好意思，第一题改错部分为A。although B。whenC。was D.open第二题A。know B。he C。or1、open改为on;2、去掉he。