You must observe and gather information like Nicolaus Copernicus ________ you want more career advancement opportunities.
It is reported in Washington Post that an unknown terrorist group has ______ responsibility for this morning’s bomb attack.
In no country ____ France, as is often said, ______ taste so many kinds of delicious cheese.
——Don’t you agree with what he said at the meeting?——Yes, _____! It can’t be better.
Several hours later, with the help of the police, the students managed to escape from the dangerous place, _______.
That light rail transit line(轻轨), __ _in July 2009 and ___ in 2012, will be China’s longest light rail transit line in history.