Generally speaking,friends have_____in____each other.
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.
In the new curriculum, some courses are, while others are optional for middle school students.
—How do you find the health club? —I it. Everyone is saying its management is going from bad to worse.
______ in the Middle East, Jordan holds a key strategic position, _______ both Israel and Iraq.
Use your head; nothing taught by others can have the same effect on you as _________learned through practice.