[ Past Perfect Tense and Past Tense ]
Last night I started to study at 07:30. Dian came at 07:35, I … …. (study) when Dian came.
A. had studied
B. have studied
C. had study
D. have been study
E. has been studied

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Adjectives & QuantifiersGrammar and StructureWill vs Verb InfinitivesPassive Voice Present SimpleTenses and Sentence CompletionUsed to - Would - TensesTenses and ConclusionsActive and Passive voicePast ContinuousModals of ProbabilityOther quiz:
Grammar and Vocabulary › ViewShe was ______________ deeply about the problem at hand.
A. supposing
B. concentrating
C. guessing
D. imagining
Grammar › View
Yesterday, Rahman ____________his snacks during recess very quickly as he was hungry.
A. ate
B. eat
C. is eating
D. were eating