题目内容：

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Facebook has a new idea to keep users 1. (engage) in its social network. It connects them with strangers. The firm is testing a feature in the United States 2. shows interests, employment history and public groups that you share in common with random users.

When someone you don’t know comments on a public post, Facebook will show information on 3. you live in the same city or want to go to the same school.

Facebook hopes the feature, which is being tested currently by 4. number of users, will spark conversations with people you might otherwise have never met. Facebook emphasizes that the tool, which 5. (know) as Things in Common, will only use data that is already available 6. (public) on your profile.

Above the 7. (name) of people who have left comments, Facebook will highlight things you have in common with each user. Next 8. one name a label might read “You both went to the University of Manchester” or “You were both born in Bristol”. The feature is part of Facebook’s efforts 9. (make) public discussions on its network more 10. (meaning).