[ 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 › ViewWhich conjunction would best join the two sentences together?
The students wanted to go out to recess. The teacher said they had too much work.
A. , and
B. , but
C. , or
D. , for
Grammar › View
Which part of this sentence is the future perfect tense?
She will have to do her homework on Saturday.
A. she will
B. will have
C. have to do her homework
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
