在定语从句中， 从句句子完整用关系副词（when, where why）， 从句句子不完整用关系代词(that/ which/ whose/ as/ who/whom)
1. ①I'll never forget the day _________________you saved me.
②That's the special day ______________I'll never forget.
2.①This is the house ______________my aunt lived last year.
②This is the house _______________my aunt bought last year.
3. ①We'll visit the village, _______________was once the site of a famous battle.
②We'll visit the village, ______________a famous battle once took place.
4. ①Oct.1, 1949 was the day _________________we'll never forget.
②Oct.1, 1949 was the day ________________the PRC was founded.
答案：1①.when/ on which; ②that/ which/ 不填2.①where/ in which; ②that/ which/ 不填3. ①which; ②where 4. ①that/ which/ 不填; ②when/ on which
