Lawrence Craven, a doctor from the USA, is the author of several published reports, one of _______ introduced the idea in 1953 _______ aspirin could reduce the risk of heart attacks.
Thank you for sending us ___________ fresh vegetables of many kinds. You have offered us __________ great service.
That lecture on genetic medicines—I had no idea what he was saying; it’s all Greek to me.
John’s employer had less and less work for him. John could read the handwriting on the wall and looked for another job.
The government yesterday revealed how the taxman will take the lion’s share of North Sea’s oil profits.
Every morning Mr. Smith takes a ______ to his office.