[ Tenses ]
They _____ (complete) their homework before the teacher arrived.
A. had completed
B. were completing
C. complete

Random Topics:
Verbs and AdverbsAdjective, Adverb, and Noun FormsTenses and ArticlesTransitive or Intransitive VerbsFinite and Non-Finite VerbRelative Pronouns with PrepositionsPast Simple Negative & QuestionsClauses and GerundsModals and VocabularyGrammar - some / anyOther quiz:
Grammar › ViewDo you mind _________ I open the window?
A. when
B. if
C. that
D. how
Grammar › View
Lan (open) _________ the door.
A. opens
B. opening
C. open
D. opened
Past Tenses › ViewI (wait) for 20 minutes when I (realize) that I was in the wrong restaurant.
A. am waiting-realize
B. wait -realize
C. was waiting-realized
D. wait-realized
Grammar › View
She _____ (write) in her notebook.
A. Writeves
B. Writeies
C. Write
D. Writes
