[ Grammar ]
They …….. cooking for the one hour.
A. Has been
B. Have been
C. Will be
D. Had been

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Sentence Structure and Grammar RulesModal SpeculationAdverbs of DegreeNoun, Adjective, and Adverb ClausesModalsSubordinating Conjunctions and ClausesInfinitive FormsPresent Perfect, Present Simple, Present ContinuousTenses and Figurative LanguageModals "Should"Other quiz:
Passive Voice › ViewNew Year _____ all over the world.
A. Celebrates
B. Is celebrated
C. Celebrated
D. Is celebrate
Vocabulary › View
nonliving parts of an organism’s habitat
A. community
B. biotic factors
C. abiotic factors
D. limiting factor