----May I put luggage on the seat beside you, sir?-----_________.
—How did your father smoking? —The doctor told him to do so,and he took the advice.
While listening carefully, the students______ what their teacher said.
Sam always pronounces my name wrong. Do you think he does it ______ ?
—I’ll do the washing-up. Jack, would you please do the floors? —_______.
_____ get a better score, she has been studying hard all day.