failed to什么意思？fail to do sth 没做什么事failed to go to bed early= didn't go to bed early 没早点睡觉可选词填空里面没这个词诶。。listen，show，ask，begin，smile，take，mistake，not to，find，make.中间有个not to, 就是要你用否定式答案是didn't噢。。。题目肯定不便直接告诉你噻：）