The past perfect continuous tense emphasizes _______________.
A. that an event has finished.
B. habitual activities in the present.
C. that one event was interrupted by another event in the past.
D. the duration of one event in the past, before another event interrupted it.

Random Topics:
Linking Verbs and TensesCorrelative ConjunctionGrammar - Collective NounsIdentify The Tensesa, an, the, zero articleTo Infinitive or Bare InfinitivePresent TensesGrammar (Adjectives)Noun Phrases and AdverbialsSimple and Progressive Verb TensesOther quiz:
Vocabulary and Grammar › ViewI thought the car in front of me had ____ because the lady was looking at the engine.
A. broken out
B. broken down
C. broken in
D. broken off
Grammar › View
I ____ not feeling well.
A. is
B. am
C. are
D. isn’t
______ boots she is wearing look very expensive.
A. This
B. That
C. These
D. Those
Vocabulary and Grammar › View
Which of the following sentences uses a comma correctly between a complete sentence and a fragment?
A. He bought the ingredients, but forgot the recipe at home.
B. She enjoys baking cakes, and decorating them with colorful icing.
C. We decided to leave early, before the traffic got worse.
D. I need to clean the kitchen, especially the countertops and sink.
