“黄河之水天上来”这句诗是不真实的,但我们又说它是真实的,这是因为( )。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
Do you want to pay cash or sign the bill?这句话意思是()。
免费的网站请分享给朋友吧