厕所系统的真空泵在哪种情况下工作

Did you tell your mother all    （）      you had seen on the way home?

How do you like the book?It’s quite different from     （）   I read last month.

Is there anything     （）     to you?

The Second World War     （）     millions of people were killed ended in 1945.

I’ve read all the books      （）    were borrowed from the library.

This is the biggest laboratory （）        we have every built in our school.

Have you seen the girl   （）     ?

My hometown is no longer the same    （）     it used to be.

The brave man,      （）    the tiger was shot, is a good hunter.

I, （） your good friend, will try my best to help you out.