___________: to say something as a warning; warn or advise against doing something
举一反三
- 3.What would Americans say when they mean that "don't waste time and energy in doing something
- something people say when they are not sure if something will be a problem ._________
- I __________ doing something __________ doing nothing.
- 下面哪个代码片段是错误的? A: package mypackage;public class Rectangle{//doing something…} B: import java.io.*;package mypackage;public class Rectangle{//doing something…} C: import java.io.*;class Circle{//doing something…}public class Rectangle{//doing something…} D: import java.io.*;import java.awt.*;public class Rectangle{//doing something…}
- warn them about something, especially when this is annoying: ______