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Mosaic 2 Grammar, 4/e
Patricia K. Werner
John P. Nelson

Mysteries Past and Present

Part 1

Decide whether each clause in the following sentences is restrictive or nonrestrictive. If a clause is nonrestrictive, place a comma in the appropriate blank(s). If a clause is restrictive, put an X in the blanks.



1

Archeology is a subject that is very interesting.
2

It is a subject which I would like to study.
3

Dr. Jenkins whose class meets today is an expert in archeology.
4

Does the class meet at a time when you can attend?
5

I attended three classes one of which was boring.
6

I have one sister. My sister who lives in New York teaches high school.