[ Tenses ]
Peter fell asleep while he _______ last night.
A. studied
B. was studying
C. studies
D. is studying

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QuantifierComparative AdverbGerunds, Infinitives and Modals of PossibilitySimple Present Negative and QuestionVocabulary, Adjective & PrepositionPrepositions & Prepositional PhrasesRelative Pronoun/AdverbsConjunctions and Sequence ConnectorsAsking & Giving OpinionSimple vs Continuous Past TenseOther quiz:
Grammar › View_______________ is one of my favourite subject.
A. Physics
B. Physic
Vocabulary › View
any difference among individuals of the same population that is passed on from the previous generation
A. characteristics
B. variation
C. behavioral variation
D. physical variation
Grammar › ViewWhen did you meet her? – I ______ her last week.
A. met
B. had
C. had met
D. had been meeting
Tenses › View
She usually listens to pop music but she _____________ to jazz these days.
A. listened
B. has been listening
C. has listened
D. is listening
