[ Past Tenses ]
What (you, do) _____ when you _____(hear) that noise?
A. were you doing/ heard
B. you were doing / heard
C. you did/ heard
D. you did / were hearing

Random Topics:
Present TensesAdverb Clause ConnectorPassive Voice, Question Tag, PrepositionsSimple Present and Present Continuoswould should couldPast or Present Verb TenseAuxiliary ModalGrammar AssessmentAdjective & AdverbWord FormationOther quiz:
Present Tenses › ViewI ____________ (read) this book three times already.
A. read
B. am reading
C. have read
Modal Verbs › View
___ you like to travel to space one day? (can, could, might, will)
A. can
B. could
C. might
D. will
Grammar › ViewIf the bus driver doesn’t drive faster, I ____ late for the appointment.
A. am
B. will be
C. won’t be
D. am not
Grammar › View
………….. Lovelyn is unwell, she still comes to school
A. But
B. Since
C. Because
D. Although