分类：教育/科学-学习帮助
问题：英语定语从句改错1Isthisthedepartmentstor 
1 Is this the department  which keep ipen till midnight?2 He didn't dare leave the house which was too old to live in.3 That a man who doesn't try to learn from others cannot make much progress.4 He found he was back in which had had been.
回答： ep---keeps，因为the department store 是单数
2.dare---dare to
3.去掉that
4.第一个had---he