[ Subject-Verb Agreement ]
The cost of goods (vary/varies) greatly in the different state
A. Vary
B. Varies

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Tenses › View. The sun sets in the west.
A. This is a statement of a natural phenomenon.
B. This is a myth about the sun.
C. This is a scientific theory.
D. This is a cultural belief.
Grammar › View
Look! Sara ________ to the movies.
A. is going
B. will go
C. goes
D. go
Vocabulary › ViewWhat is the study of religion and religious beliefs called?
A. philosophy
B. psychology
C. theology
D. sociology
Grammar › View
She ______ to school every week.
A. go
B. going
C. is going
D. goes
