It is your own fault you are so tired . You oughtn’t to have stayed up so late .
—What about going swimming on such a hot day?—________.
---Do you mind if I smoke? ---______.
Mark Twain worked for several years as a pilot on a steamboat, taking passengers up anddown the Mississippi, the great river ___flows from the north of the US near the Canadianborder.
Don’t ___a story. What I want to know is the whole truth about this matter.
Do you wake up every morning ____energetic and ready to study English well?