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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:
Vocabulary › ViewWhat does the word “abate” mean?
A. To become less active, less intense, or less in amount
B. Extremely bad
C. The act of gaining a skill or possession of something
D. To increase in intensity
Conjunctions › View
Choose the correct item to complete each sentence
I cannot go to the library (without unless) my brother James because he loves to read books.
A. without
B. unless
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