[ Grammar ]
Carlos _________ _________ ___________ all day, so he had a headache.
A. had worked
B. was working
C. has been working
D. had been working
Select your answer:
Random Topics:
Tenses & PrepositionPast Simple vs Past ContinuousPast Tense and Perfect TenseVerb BEAuxiliary WordsDegrees of ComparisonGrammar and Verb TensesConditional ClausePronouns, Verb, ConjunctionOther quiz:
Grammar › View______ swim here or you ______ be in danger.
A. Must / can
B. Don’t / will
C. Don’t / won’t
D. Do / can’t
Noun Quantifiers › View
We should buy……………..tomatoes for this recipe.
A. some
B. a
C. a little
D. any