短语辨析。leave alone让…独自呆着;leave behind不带，忘了带;leave off停止，中断，如：It’s time to leave off worlk.该下班了。Leave out忽略，遗漏，如：But hang on a minute…Do you think I might have left anything out?请稍等会儿，你认为我遗漏了什么吗？