Liu Chuanjian is considered a （英雄）because he safely landed the damaged plane．
The Belt and Road Forum（一带一路高峰论坛） （hold） successfully in Beijing last month．
After the 31st Olympic Games， people all over the country thought （high） of the spirit of the Women's Volleyball Team．
home middle school students don't know how （keep） a balance between study and play．
The effect of this kind of medicine needs （far） study before it can be widely used．
What a pity! Sue lost the game because the （weigh） of her shoes made it' difficult for her to run fast．