His wife is constantly finding ____with him,which makes him very angry.

Foreign trade, the ____ of goods between nations, takes place for many reasons.

Mr. Smith thought of himself as _______,and this accident had ________ effect on his life.

Not all of us can deal with the _____ of modern life. 

As President Xi Jinping put it in Moscow on Saturday, China’s development creates more ______ than threats.