Identifying the age of layers of rock also fixes the age of fossils that are within those layers. What does fixes mean?
A. Causes
B. Hides
C. Establishes
D. Casts doubt on

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Clause Markers TOEFL Grammar › ViewComplete the sentence with the best clause marker:
A warrior ______ saw an enemy approaching might send a smoke signal.
A. which
B. that
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Georgianella ____________ her phone after 6pm, does she?
A. did not answer
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A. It must mean you have to do the job.
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Where _________? I _________ for her all afternoon.
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