[ Past Passive ]
Sherlock Holmes was one of the greatest detective stories in the world. It________________ by Sir Arthur Conan Doyle.
A. write
B. written
C. was written
D. were written

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Verb PhrasesPrepositions and AdverbsGrammar - must & have toPassivisationMaritime Vocabulary and GrammarInversions and SubjunctiveVerbal CommunicationFor vs SinceModals for Necessity and SuggestionsTenses and ConclusionsOther quiz:
Grammar › ViewThe government allows businesses ______ tax benefits if they meet sustainability goals.
A. receiving
B. to receive
C. receive
D. received
Grammar › View
Many ___________ work at the great pyramids in Egypt.
A. mechanics
B. teachers
C. archaeologists
D. archaeology
Grammar › ViewScott was born ___________________ March 21st in Eastfield.
A. on
B. in
C. at
D. between
Tenses and Structures › View
. Choose the correct form: I (make, do) a lot of mistakes in my writing.
A. do
B. create
C. execute
D. perform
