[ Grammar ]
A: “Why are you so dirty?” B: “Because I _____ the basement.”
A. clean
B. ‘ve been cleaning
C. cleaning
D. ‘ve cleane
Select your answer:

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Present Perfect and Present Perfect ContinuousGerund, Infinitive, Bare VerbGerunds, Infinitives and ParticiplesSimple Present Continuous TenseProgressive Perfect and Simple Verb TensesDemonstrative PronounsProgessive TensesModal Verbs of PossibilityAdverb PhrasesConjunctions - ConnectorsOther quiz:
Types of Sentences › ViewPut down your phone and go to the office.
A. Declarative
B. Imperative
C. Exclamatory
D. Interrogative
Article and Order of Adjctive › View
There are a number of opportunities in _______ world.
A. a
B. the
