[ Grammar ]
Carlos _________ _________ ___________ all day, so he had a headache.
A. had worked
B. was working
C. has been working
D. had been working

Random Topics:
Simple Past TensesModal PossibilitiesCountable & Noncountable NounsSimple Future TensePast Perfect and Past Perfect Continuous TenseVocabulary Spelling GrammarTenses and VoiceGrammar Pronoun and Singular Plural Nounused to, be used to, get used toFuture Simple TenseOther quiz:
Grammar › ViewIt ___ 7 years since the last time I ___ to the USA.
A. has been / went
B. is / have gone
C. has been / have gone
D. was / went
Present Tenses and Connectors › View
The restaurant was quite crowded; ___, they were unable to get a seat.
A. consequently
B. nonetheless
C. in fact
D. additionally
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a. Jewish
b. Israeli
c. Hebrew
Grammar › View
Mariam and Ali never _____to college.
A. drive
B. drives
C. driving
D. are driving
