[ 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:
Tenses › View“I had just finished the assignment when the teacher extended the due date to next week.”
What tense is this sentence using?
A. Past perfect
B. Past continuous
C. Present perfect
Relative Clause › View
The children _________ parents are famous teachers are taught well
A. whom
B. that
C. who
D. whose
Mixed General Quiz › ViewPeople from Israel speak
a. Jewish
b. Israeli
c. Hebrew
Grammar › View
Mariam and Ali never _____to college.
A. drive
B. drives
C. driving
D. are driving
