WHAT IS THE MEANING OF "TWO STEPS FORWARD AND ONE STEP BACK&#3...

7. - File thứ 1: De va dap an thi thu lan 2, Anh
Tiếng Anh File thứ 1: De va dap an thi thu lan 2, Anh
7. What is the meaning of "two steps forward and one step back" ? A. Most inventions never work well. B. You have to go forward and to go backward. C. Progress is slow and difficult. D. Sometimes the only way to fix a problem is to leave it alone.