[ Subject-Verb Agreement ]
Occurring naturally (is, are) over 100 elements, or substances that cannot be separated into different kinds of matter.
A. Is
B. Are

Random Topics:
PrepositionSentence LabelingSubject and Verbs AgreementMuch, many, a lot of, a few, a littleSentence TransformationPronouns, Verb, ConjunctionArticles & Compound NounsConnectivesAsking and Giving SuggestionRelative Clauses and etcOther quiz:
Vocabulary › ViewComplete each sentence with the correct word form: __________ is a very strong emotion.
A. jealousy
B. jealous
Coordinating Conjunctions › View
I ran to school, _____ I didn’t arrive late.
A. for
B. and
C. but
D. so