选择适当的单词完成短文。

A. politely   B. impolite   C.polite  D.situations E. difficult F. important  G.communicate  H. direct  I. depend J. leading

It is not enough to just ask a question correctly. It is very important for us to know how to ask questions ____. So we need to learn how to be ____ when we ask questions.
Good speakers change the way they speak in different ___.The expressions they use might _____ on whom they are speaking to or how well they know each other. It is all right to ask_____ questions to your classmates because you know them well. However, if you say to your teacher, “When is the school trip?”, this might sound ___. Usually polite questions are longer. Sometimes we even need to spend time ___ into a request. It might seem more ____to speak politely than directly.
However, it is____to learn how to use the right language in different situations. This will help you ____ better with other people.