[ Gerund ]
Peter keeps ________ his books at home.
A. to forget
B. forget
C. forgetting

Random Topics:
Present Simple vs Present ContinuousFuture or PastFormal & Informal WordsGerund or InfinitivesPresent Perfect Simple vs ContinuousQuestion TagsWho vs WhomArticles & PrepositionPresent Continous TenseModifiersOther quiz:
Narrative Tenses › ViewEarlier that afternoon he … all the tickets that now he … in his hand.
A. bought, held
B. was buying, had held
C. had bought, was holding
Relative Clauses Pronouns › View
_____________ phone is this?
A. who
B. which
C. whose
D. where
E. when
Grammar › ViewLucy and Susan visited ___________ Machu Picchu in Peru last December.
A. the
B. a
C. an
D. –
Tenses › View
Jane couldn’t open her door; she………………her keys.
A. forgot
B. had forgotten
C. was forgetting
