Answer keys for Ex.2 on Page 4:
1.Here are the farmers who discovered the underground city last month.
2. Xi’an is one of the few city in which/where city walls remain as good as before.
2. In Xi’an, I met a teacher who has a strong love for cultural relics and who took me to visit the history museum.
Language points of unit 1
ห้องสมุดไป่ตู้
1. apart adv. separate(ly)
e.g. I can’t get these two things apart. He is standing with his feet wide apart.
take apart ----- separate sth into parts e.g. The boy took a toy plane apart.
Keys :
1. Our friends, who are always late for everything, missed the train again.
2. My aunt, who had two heavy bags, was waiting for me on the steps.
四、限定性、非限定性定语从句
1. 限定性定语从句是对先行词起限定作用的。 去掉这个从句则整句话不完整或不成立。
