用：matter,afraid,be afraid to,laugh at,complete,secret,learne

1。what's the matter with you?你怎么了/出什么事了?2。I'm afraid i can't help you。我恐怕不能帮助你了。3。I am afraid to stay alone in the dark。我害怕在黑暗中一个人待着。4。Don't laught at others when they made mistakes。当别人犯错时不要嘲笑他们。5。The job is not complete yet。/The job is almost complete。这份工作还没完成。/这工作差不多完成了。6。women always keep age secret from others。女人一般不会把自己的年龄告诉别人。7。She is a fast learner,and her English is getting better day by day。她学得很快,英语水平日正渐提高。8。Students should take notes in class。学生应该做课堂笔记。