Restrictive Adjective Clause and Non-Restrictive Adjective Clause

The book that I borrowed from the library was overdue

The oranges, which have been sitting on the table for a week, are starting to look brown

The students who completed their homework on time received extra credit

The car that I bought last year needs new tires

Those girls, who have been friends for years, are all going to the same college

The restaurant where we had dinner last night was very crowded

Amanda, who is my best friend, is on the honor roll again

The workers, who built this bridge, did a good job