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

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Passive Voice in Past and Present Tense › ViewDid the police arrest the suspect?
A. Were the suspect arrested?
B. Was the suspect arrested?
C. Did the suspect arrested?
D. Did the suspect arrest?
Tag Questions › View
Carlos washes the dishes, ___ ____?
A. Do he?
B. Does she?
C. Doesn´t he?
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
