Her son is making rapid progress，of which Mrs．Summers is very （pride）．
The Day of China has become a 7﹣day holiday for people to travel and relax．（nation）
Actually，there are many accidents by carelessness every year．（cause）
What happened to Kate？
She had a terrible and broken her right arm．（fall）
Mr．Black was asked to gave a at the beginning of the meeting．（speak）