[ Past Perfect and Past Perfect Continuous Tense ]
When I first met Ann, she _____ (work) in Samsung for 15 years.
A. had been working
B. have been working
C. worked
D. had worked
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To Infinitive or Bare InfinitiveCity PlacesVerb Tenses (Progressive, Perfect)Present Simple and Continuous TenseModal Verbs and PermissionWh QuestionsInversions and SubjunctiveModals of ProbabilityPast Simple TenseSimple Past TenseOther quiz:
Relative Pronoun › ViewPeople … eat fruits and vegetables may have more attractive skin color.
- that
- which
- whom
Grammar › View
Do you expect me (let)____ you go?
A. letting
B. to let
C. let
Modal Verbs › ViewYou _________________ clean right now. You can wait until everybody leaves.
A. mustn’t
B. could not
C. don’t have to
D. cannot
Parts of Speech › View
On Sunday, I (swim) from six to eleven in the morning
A. adjective
B. verb
C. preposition
D. adverb