[ Grammar ]
She was exhausted because she … since eight o’clock that morning.
A. had worked
B. had been working
C. has been working

Random Topics:
Degrees of ComparisonAdjectives with PrepositionPreposition and Word FormFinite and Non-Finite VerbModals of Necessity and SuggestionZero ConditionalCorrelative Conjunction & Complex SentencesParticiple Clauses & Cleft SentencesAuxiliary Verbs, if, unless and ModalMixed TensesOther quiz:
Modal Verb › ViewWhich modal verb you use for direct permission
A. Can
B. Could
C. May
D. Will
Noun, Pronoun, Adjective, Verb › View
Choose the correct sentence with an indefinite pronoun:
A. Everyone were present at the event.
B. Somebody left their bag in the hall.
C. None of the books is missing.
D. Each of them are invited.
