The plan was that the two parties should first reach an agreement on the basic ________,the details to be worked but later.
It is generally accepted that Chinese were the earliest ________ football while the European established the modern rules for football.
While we were listening to the speech attentively, a voice ________ to announce the result of the election
Wang Meng's winning women's 500m short track at the Vancouver 2010 Olympics was an exciting moment, ________ all Chinese will never forget.
. Newly-developed materials for spaceships can _________ extreme weather conditions.
Because of global warming, the ice that polar bears depend on for survival _______.