单项选择题
The two surfaces ______ to each other, and we couldn't get them apart however we tried.
单项选择题 He is a good leader. He can distinguish practical questions from moral issues and he knows when to ______ and when to fight.
单项选择题 The Japanese used to ______ ten million tons of coal each year.
单项选择题 The water came in ______ bursts of hot and cold.
