Question

将下列两个简单句合并成带定语从句的复合句

1 the bridge has been rebuilt now.it was built in 1959.
2.she is going to the town .i do not konw the town.
3 he did not attend the meeting. he told me the reason.
4 the train started at 4:50p.m. i missed it.
5 the medicine was quite helpful. Dr.Li gave him it
6 the nurse is very kind. she looks after my little brother.
7 the play was very interesting. we saw it the night before.
8 the plane was late .it was going to tibet .
9 the student studies very hard .her father is a worker.
10 he is the most careful boy. i konw him.

Answer 1

1.The bridge that/which was built in 1959 has been rebuilt now.
2.She is going to the town that /which I do not know.
3.He told me the reason why he did not attend the meeting.
4.I missed the train that /which started at 4:50 p.m.
5.The medicine( that /which) Dr,Li gave him was quite helpful.
6.The nurse who looks after my little brother is very kind.
7.The play (that /which) we saw the night before was very interesting.
8.The plane that/which was going to tibet was late.
9.The student whose father is a worker studies very hard.
10.He is the most careful boy( who/whom) I know.
先行词作主，宾，表用关系代词that,which 作宾语时可省略。如1。2。4。5。7。8。第9题，whose 只能作定语，第三题先行词作状语，用关系副词。why，

追问

先行词是什么意思啊
是不是前面的名词啊

追答

先行词就是被定语从句所修饰的那个词。可以是名词也可以是代词。

Answer 2

1 the bridge which was built in 1959 has been rebuilt now..
2.she is going to the town that i do not konw
3 he told me the reason why he did not attend the meeting.
4 the train which i missed started at 4:50p.m.
5 the medicine that Dr.Li gave him was quite helpful.
6 the nurse who looks after my little brother is very kind. .
7 the play that we saw the night before was very interesting. .
8 the plane that was going to tibet was late ..
9 the student whose father is a worker studies very hard .
10 he is the most careful boy whom i konw.

追问

能告我为什么么，就是能不能解释一下 谢谢