题目

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。     In a recent survey, 19 percent of teenagers said they had posted a comment online that they later regretted. The problem is that once something (put) on the Internet, it can be difficult to remove. Even if you're able to do so, someone else (probable)has already taken a picture your post. In addition, the content(delete)from a Webpage can often be recovered.     Posting negative comments or images online is certainly best avoided,  that's not the only thing you should consider when it comes to your online behavior. Experts say it's also important for young people  (earn) a positive Internet reputation. You can do this by sharing positive content about the things you're most interested. This way, if someone (run)a search on you, the results will show them the content you most want them to see.     Managing an online reputation can be  (challenge). Remember that privacy settings can be very helpful for this, so use (they)if they're available. But most importantly, be careful about you share-your future may depend on it. 答案：【1】is put/has been put【2】probably【3】deleted【4】but/yet【5】to earn【6】in【7】runs【8】challenging【9】them【10】what

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