[ Grammar ]
I’m sorry the report’s unfinished. I _____ it since 8 a.m.
A. had been writing
B. was writing
C. had written
D. have been writing

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Mesopotamia VocabularyGrammar for IELTSModal Verbs - ObligationRelative Clauses and Past PerfectModal and Auxiliary VerbsModals Posibility and ProbabilityComparative AdverbsPast Perfect Simple TenseAbilityComparative and Superlative AdjectivesOther quiz:
Grammar › ViewCoach, _____ I pitch the next time we play UVC.
A. can
B. may
Grammar › View
“The mouse scurried quickly under the door, but the janitor caught it by the bathroom.” What is the part of speech for “janitor”?
A. Adjective
B. Adverb
C. Pronoun
D. Noun