Which sentence correctly uses the past perfect continuous tense to describe an action continuing over a period up to a specific time in the past?
A. She had been working as a clerk for 10 years before she retired.
B. She has been working as a clerk for 10 years before she retired.
C. She was working as a clerk for 10 years before she retired.
D. She had worked as a clerk for 10 years before she retired.
Random Topics:
Subordinating and Coordinating ConjunctionsReported Speech and Reported QuestionsTOEIC Tenses, VerbsConjunctions - Conjunctive AdverbsQuantifiers & Modals of ObligationVerb Tenses and Sentence StructureModal Verb, Passive VoiceRelative - ConditionalPresent Continuous for FuturePresent or Past TensesOther quiz:
Vocabulary & Grammar › ViewIf Tuan hadn’t stayed up late last night, he wouldn’t feel so tired now.
A. would feel
B. wouldn’t feel
C. wouldn’t have felt
D. will feel
Conditional Sentences › View
If I ____ enough money, I would buy a new car.
A. have
B. had
C. has
D. having
Adverbs › View__________ , no one was hurt in the accident.
A. highly
B. hopefully
C. increasingly
D. inevitably
E. incredibly
Vocabulary › View
Internist
A. Minor official
B. Doctor of internal organs
C. Quack
D. Eye specialist
E. Expert on birds