[ Narrative Tenses ]
They ______ for half an hour before the teacher arrived.
A. had been studying
B. worked
C. had worked

Random Topics:
Wish SentencesVocabulary and IdiomsCoordinate ConjunctionVerb Forms and Prepositionsgoing toAdjective or Adverb1st and 2nd ConditionalsPast Simple Negative & QuestionsConjunctionRelative PronounsOther quiz:
Grammar › ViewKaren _______ Jane are friends.
A. and
B. but
C. or
Vocabulary › View
Voraciously
A. examined or perused carefully
B. having become solid, firm, or coherent
C. lounging or sauntering lazily and idly
D. craving or consuming large quantities of food
Grammar and vocabulary › Viewboring, without life, excitement or colour
_____ afternoon/people/colour/weather
A. sweeping
B. gruelling
C. dreary
D. dull
Narrative Tenses › View
I knew he _____ because his eyes were red.
A. cried
B. was crying
C. had cried
D. had been crying
