[ Grammar ]
Omar ___________ (to do) his homework for 1 hour.
A. have been doing
B. has been doing
C. has being doing
D. have being doing
Select your answer:

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Connectives (because, due to, owing to, because of)Vocabulary and DefinitionsSentences Function and StructureReported Speech and TensesVerb AgreementVerb and VocabularyAdverb & Compound SentencesPast SimpleModal and Auxiliary VerbsClauses and ConjunctionsOther quiz:
Tenses › ViewWhile they ___ the movie, I ___ some popcorn.
A. watched / was making
B. were watching / was making
C. were watching / made
D. are watching / make
Grammar and Vocabulary › View
Change to the passive: They employ a lot of people in marketing.
A. A lot of people are employed.
B. A lot of people is employed.
