【正文】
還 可指部分 或整個(gè)主句 非限制性定語從句 把下面句子連成定語從句 : has a sister .Her sister is a teacher She has a sister, . book has been found. He lost it yesterday The book, , has been found. had a new girl friend. He wanted to impress her. Tom had a new girl friend, . who is a teacher which he lost yesterday whom he wanted to impress 4. Last Sunday they reached Nanjing. A conference was to be held in Nanjing . Last Sunday they reached Nanjing, . 5. A woman killed her husband. That news frightened me very much