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Verb Tenses and SubordinatesGrammar Double Object VerbsDefinite and Indefinite ArticlesTenses StructureRegular and Irregular VerbsAdverbs of Time and PlaceTenseGive, do and makewould should couldModal AuxiliariesOther quiz:
Tenses › ViewAll the necessary precautions ______ before the experiment starts next Friday.
A. will be taken
B. have taken
C. will take
D. will be taking
Grammar › View
Alexander Graham Bell __________ the telephone in 1876.
A. invents
B. invented
C. has invented
D. was inventing