在Word中，按Ctrl+S键与工具栏上的保存按钮功能相同。
参考答案：对
——My family usually go hiking for vacation. I like hiking, but I want to try something different this year.
—— ____________
A．Let’s go!
B．Cheer up!
C．Like what?
D．Take care!
本案中，合同是否已变更为什么
