We live in a society_____ there is a great deal of debate about competition.

This is the place       we visited last year.

This is the best book _____ I have been looking for all this year.

It was in the lab __________was in the charge of Professor Smith __________they carried out the experiment.

— What have you done these days?
— I’ve read all the books _____ you gave me because they are the best ones _____ are on the subject.

In 2009 many countries are going through financial crisis，________has a great effect on many walks of life.　　　　　　　　　　　　　　　　　

I still remember the days___ I spent ______ with you in Beijing．

People who seldom do sports or ________ diet is high in fat will put on weight quickly.

Tom helped us settle down in this new city,    is very kind of him.

I feel proud to be born into a family ______ education is highly valued.