This is one of the main ways （)a business learns what customers want.

This passage is mainly about.A．the different ways of preserving foodB．why we must kill tbe

There are many ways to learn about people of other lands. One way is to study the clothing

What is the lecture mainly about？A．Ways to limit the expansion of international tradeB．How

Which of the following is NOT true according to the news？A．Born This Way Foundation is fou

In the counterculture movement in the 1960s, which of the following is NOT one of the ways

Which of the following is the main idea of this p