题目内容

__________________________________ (你必须记得把文件保存下来) before you turn off the computer.

查看答案

搜索结果不匹配？点我反馈

更多问题

______________________________________ (你无论在什么情况下都不可告诉他) what has happened.

What________________ (prevention) you from joining us last night?

They are busy doing______________ (scientist) experiments.

The_________________ (produce) of computers has doubled in the last few weeks.