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

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Can vs CouldPersonal pronouns + possessive adjectives + Introgative pronounsLinking Words and ConjunctionIndefinite ArticleQuantifiers and ArticlesQuantifiersGerund vs InfinitiveGrammar : Must (Necessity)ComparisionsPhrasal Verb With TakeOther quiz:
Tenses › ViewLook! That man ………………….. (take) photos of our car!
A. are taking
B. is taking
C. takes
Type of Sentences › View
The author who is touring several cities to promote his book will be in Chicago at the end of October.
A. Simple sentence
B. Compound sentence
C. Complex sentence
D. Compound-complex sentence
What 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