[ Present Perfect Simple & Continuous ]
Logan ______ able to focus on his studies lately.
A. hasn’t been
B. hasn’t being
C. wasn’t
D. hasn’t been being

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Grammar: wishes and regretsPhrasal Verbs and Verb FormsPhrasal Verbs with up and downModal Verbs of Certainty and PossibilitySentence Structure-ed or -ingNoun Phrases and Verb PhrasesPast Simple and Past ProgressivePast Perfect & Past SimpleContrastive ConjunctionOther quiz:
Past Tenses › ViewShe was cooking when I was talking on the phone with my parents
A. simple present
B. present continuous
C. simple past
D. present perfect
E. past continuous
Modal Verbs › View
Despite his efforts, John _____ not be able to solve the complex math problem.
A. can
B. may
C. must
D. should