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Grammar and UsagePronoun Antecedent AgreementAdjectives, ING - EDPresent Simple, Present Continuous or Present PerfectPresent Simple & Present ContinuousInterrogative Pronouns & AdverbsPresent simple, Present continuous, Singular, PluralDegrees of ComparisonGerunds & Infinitives + VocabularyPresent Perfect and Past TensesOther quiz:
Grammar › Viewuse past perfect simple or past perfect continuous: I ____ (be) at home all day. I had to get out and go for a walk.
A. have been
B. has been
C. been
Preposition & Gerund › View
Brian really has to work on _______ his vocabulary.
A. improve
B. improved
C. improving
D. improves