22.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.
For professional athletes,to the Olympics means that they have a chance to enter the history books.
--- Which sport is the most popular in America? --- It's hard to say. It largely what you mean by 6popular’.
--- I am sorry to say that you can’t travel with us tomorrow as planned. --- Why not? You don’tyour promise.
It now seems certain Tom will fail in the exam.
I thoughtnecessaryhim to tell his father everything.