[ Present Perfect Tense ]
I couldn’t sleep because the neighbor’s dog ______ barking.
A. keeps
B. kept
C. has kept
Select your answer:

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Comparison & Modal Verbs in Passive VoiceSo Such Enough TooInversions and SubjunctivePast form of ModalsGrammar ( going to)Gerunds and InfinitivesTOEIC Tenses, VerbsComparisionsGrammar : Structural Common ErrorsComparative AdverbOther quiz:
Grammar › ViewI think Sam planned (have) _____________ another meeting.
A. to have
B. having
C. Both are correct
Grammar › View
Which modal verb relates to obligation?
A. should
B. can’t
C. don’t have to
D. mustn’t
