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。

Imagine you are thinking about attending a college, and you find a school you would like 1. (attend) . So you go to the school’s website to find information about admission process.

Time goes by and you still do not have the answers. You almost feel like giving up. But then 2.message appears on your computer. It 3. (say) something like: “How can I help?” Writing back to the website, you try to explain  4. (you) problem. Then, almost immediately, the person with whom you are in contact provides the information you are seeking.

In fact, you are not 5. (actual) communicating with a school official. You are in contact with a computer program, or chatbot.

This might sound strange，but chances are this would not be the first time you have communicated with a computer program without knowing 6.. In recent years, chatbots 7. (become) a common tool for banks and large companies around the world.

Having human beings available to answer people’s questions can be costly, requiring many workers. And in most 8. (case), employees can only work a set number of hours in a day, 9. (increase) the amount of time customers wait for a response. So not just companies, 10. a growing number of colleges and universities have also begun using chatbot technology.