[ 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:
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