安装单应在安装完成后()工作日内录入“服务管理系统”
A、10
B、30
C、5
D、20
参考答案:A
—The children in rural areas have few books to read. Let’s _________ some books to them.
— Great, it is a good idea.
A give away B hand out C take away
域名只能由字母组成。