Choosing the right dictionary depends on ______ you want to use it for.
--The room is so dirty.____ we clean it? ---Of course.
.---Would you please save this seat for me? ----______.
---Thank you. ----_____.
Most students in our class prefer taking pains to with a better Education.
—I just wonderthat made Mark Twain so famous a writer. —Of course his early experiences.