[ Tenses ]
They ______ for two hours when the power went out.
A. worked
B. were working
C. had been working
D. have worked

Random Topics:
Modal Verbs & Perfect InfinitiveVerb + Infinitive or GerundIf ConditionalsPast Perfect and Past Perfect Continuous TenseModal Verbs for PossibilityZero Conditional SentencePast TensesPossessive Pronouns and QuantifiersAction VerbThings in EnglishOther quiz:
Present Tenses › ViewMy mom usually (wake) ____ up at 6 o’clock to make breakfast.
A. wakes
B. wake
C. is waking
Adverbs, Modals, Preposition of time › View
They sometimes go to the cinema_______ Saturday afternoons.
A. at
B. in
C. on
Grammar › View_____________________ History at 6 p.m. yesterday??
A. Are you study
B. Did you study
C. Have you studied
D. Were you studying
Conjunctions › View
Rewrite the sentences by using the correct conjunction.
We waited for her. She didn’t come. (Use but)
A. We waited for her, but she didn’t come.
B. We waited for her, so she didn’t come.
C. We waited for her, because she didn’t come.
