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.

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Grammar › ViewMark which answer should NOT be included in all quotations.
A. Beginning punctuation
B. Quotation marks
C. End punctuation inside the quotation marks
D. Capital letter at the beginning of the quote
E. All of the above
Grammar › View
. It is expected that two million copies of the novel__________ sold by December.
A. will have been
B. have been
C. will have being
This, That, These, Those › View______ 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.
