Lawrence Craven, a doctor from the USA, is the author of several published reports, one of which introduced the idea in 1953 ________ aspirin could reduce the risk of heart attacks by thinning blood.
We still remember once__________round the famous tower when we were young.
— Marx looks nervous. — So____________you if you had so fierce a competition.
________ good use you have made of your time to work, there is still some room for improvement.
It was the quality of life in the futureI took this training course,not just to make more money.
They didn’t attend the discussion, although they _________.