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A large number of inventions and discoveries have been made________accident.
A. in
B. by
C. at
D. on
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Can/CouldContrastive ConjunctionModals and InversionPast Simple TensesGrammar: is/are/was/werePRESENT SIMPLE vs PRESENT CONTINUOUS + QUANTShould and Shouldn'tPast Tense vs Future TenseLanguage Features: Reflective ArticleGrammar - SimilesOther quiz:
Grammar › ViewThe first electric lamp had two carbon rods from which vapor serves to conduct the current across the gap.
A. The first
B. which
C. serves
D. to conduct
Grammar › View
What type of sentence is this? I enjoy running cross country and playing tennis.
A. compound subject
B. compound predicate
C. compound sentence
Grammar › ViewThe documentary Rize explores the origins and evolution of Krumping and Clowning, two dance forms that would have emerged from South Los Angeles.
A. NO CHANGE
B. emerged
C. will emerge
D. is emerging
Present Continuous Tense › View
He ………………………………..eating.
A. Am not
B. Is not
C. Are not
D. Be not