Every few years, the coal workers their lungs X-rayed to ensure their health.
By the time I got to the office, the meeting ______.
_______ David says sounds right to Helen. That’s why she has made up her mind to live with him____ happens.
_________ we have realized the danger of over-consumption, some measures should be adopted as soon as possible.
Since then the number of people taking driving lessons______20%.
-----Are you still very busy? -----Yes, I ______ the report for the manager and it won’t take long.