几个关于状语从句和定语从句的英语题目在线求解~~~

几个关于状语从句和定语从句的英语题目在线求解~~~
1-jim talked about that_______he knew everything
-i don't like this kind of man
A.as B.as if C.so D.until
2the first thing _____we should do now is to have a good rest.
A.who B.which C.that D.when
3the young lady ______we met yesterday is our new teacher.
A.what B.whose C.whom D.which
4this is the reason ______i didn't tell you the turth
A.where B.that C.why D.which
5-do you remember the town ________we visited in 2008.
-yes.i remember.it's very beautiful.
A./ B.what C.when D.where
6-is this the factory______he worked ten years ago.
-sorry,i am not sure
A.that B.where C.which D.the one
7 i am waiting for my daughter,the train______she is traveling must be late.
A.which B.that C.on which D.in that
谢谢大家的回答.
能不能解释一下，我不懂。