[ Perfect Tenses ]
Charlie ……….. his room.
A. hasn’t clean
B. hasn’t cleaned
C. hasn’t cleant

Random Topics:
Sentence Fragments and Complete SentencesTenses & AffixesCountable QuantifiersAdverb of MannersPassive Voice, Modals of Deduction and First ConditionalPresent Simple and ContinuousGrammar on ConditionalsPast Simple TensesCollective NounsConditional TypesOther quiz:
Verb Tenses › ViewThey (study) for their exams at the moment.
A. have studied
B. will study
C. were studying
D. are studying
Vocabulary › View
What is the antonym for “impromptu”?
A. Planned
B. Spontaneous
C. Rehearsed
D. Organized