What impressed me most about the movie were the _________filmed in New York.

 It is a common practice in the USA that one needs to make a(n) _    __ before seeing a doctor.

Liu Xiang achieved his __________ to become the first man to cover the 110-meter hurdles in less than 12.91 seconds.

一Tell us, Mark ,what is the ____ of the American Civil War?一 Well, is it because the black slaves wanted freedom?

According to the recent research, heavy coffee drinking and heart attack is not necessarily      and effect