We have ________ some organizations to help the poor students in the western areas of China.
The meeting is important that you mustn’t miss it. (盐城)
Doctor Wang operated _______my mother yesterday.
— Where is your boss? I haven’t seen him for several days. — He ____ to Shanghai on business.
It was raining heavily, _____ we decided to stay at home and watch TV.
Dr Bethune came to China ______the Chinese soldiers and gave his life to ____Chinese.