[ Verb Tenses ]
We _____ the battery when the system short-circuited.
A. were testing
B. had tested
C. had been testing
D. tested
Select your answer:

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Modals, Phrasal Verbs, Gerunds and InfinitivesGrammar: so and suchTOEIC Tenses, VerbsPresent and Past Simple PassiveGrammar - Capitalization and Possessive NounsComparison DegreeModal AuxiliariesVerb PatternsPast ModalsGrammar and SyntaxOther quiz:
Vocabulary › ViewWhat is ‘breakfast’?
A. the first meal of the day
B. a type of drink
C. a snack
D. a dessert
Past Tenses › View
She _______ (studied/had studied) for two hours before she _______ (watched/had watched) her favorite show.
A. studied/had watched
B. had studied/watched
C. Studies/had watched
D. Studied/watched
