The plane cannot ______ or land safely every time.

He ___ at the enemy, without saying a word.

As a young man, Comrade Zhou Enlai ________ the students' movements and later ________ the Communist Party of China. 

(2014·福州市高中毕业班质量检查)John said he wasn’t disappointed at the result of the basketball game，but the look on his face________him________.

The billionaire ______ all his possessions to his son when he died.