[ Tenses ]
By the time I left, she __________ for more than an hour.
A. had been studying
B. studies
C. has been studying
D. was studying
Select your answer:

Random Topics:
Giving and Asking for AbilityTransitive or Intransitive VerbsFOR & SINCEPast Simple, Past Continuous, Past PerfectPassive Voice and ModalsLet & Be allowed toPhrasal Verbs with up and downGerund and InfinitiveSimple Past Tense & Future TenseGrammar - Punctuation of SentencesOther quiz:
Grammar › ViewGerund or infinitive. Choose the correct answer:
`I´m sorry! I´m late!! Do you mind ……for me?
A. waiting
B. to wait
Grammar › View
If I hadn’t been sick…..
A. I will go to class
B. I was in class
C. I would have gone to class
D. I would go to class
