Lin Xi, a Chinese in Berlin, went to the World Championships in Athleties, she saw China’s Bai Xue win the gold medal.
A serious study of physics is impossible________some knowledge of mathematics.
It was a real race________time to get the project done.Luckily,we made it.
Let those in need________that we will go all out to help them.
Shortly after suffering from a massive earthquake and ________to ruins,the city took on a new look.
________ basic firstaid techniques will help you respond quickly to emergencies.