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:
Tenses › ViewThey ___ Khmer noodles since this morning.
A. make
B. are making
C. have been making
D. made
Grammar › View
Gymnastics (is-are) easy for Jasper.
A. are
B. is
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