Since production has risen ________, the personal income has increased year by year.
—He ought to have been warned of the danger. —______, but he wouldn’t listen to me.
All the task ______ ahead of time, they decided to go on holiday for a week.
—This wall of air is an effective answer to the problem and it ______ work. —But it is a question to put such a wall of air around the statue.
—How do you think I should receive the reporter? —______ you feel about him, try to be polite.
Examination compositions, together with most business letters and government reports, are the main situations ______ formal language is used.