[ Grammar ]
Carlos _________ _________ ___________ all day, so he had a headache.
A. had worked
B. was working
C. has been working
D. had been working
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Compound and Complex SentencesPresent/Past/Past ParticpleLanguage Features of an Opinion ArticleModal, Causative Verb & Elliptical StructureIndefinite and Definite ArticlesPassive SentencesClauses and ConjunctionToo or EnoughPresent Simple & Present Progressive TenseNoun, Quantifiers and SuffixesOther quiz:
Question Tags › ViewPolar bears don’t eat fruit,
A. Do they?
B. Do it?
C. Don’t it?
Word Form & Verb Tense › View
After he _____ his English course, he went to England to continue his study
A. has finish
B. had finished
C. was finished
D. would finish