(2013·新课标Ⅱ卷) A serious study of physics is impossible some knowledge of mathematics. against B. before C. beyond D. without
The 30th Olympic Games, _______ between July 27 and August 12 in 2012, will take place in London.
—Which skirt do you prefer, Lucy? — _______ I'm concerned, the purple one is better.
Every camera we sell in our shop comes with a two-year _______ .
_______ not to drive after drinking, some drivers are still trying their luck, which is really dangerous.
You should report any incident, _______ minor it is.