短文填词，根据短文内容和以下提示：1)首字母提示 2）语境提示 3）汉语提示，在每个空格内填入一个适当的英语单词，所填单词要求意义正确，拼写正确。
When you wave to a friend, you’re using body languages. When you smile at someone, you may mean to be _____(友好的). When you put one finger in f______ of your mouth, you mean “Be quiet”. In a word, we use body language to c______how we feel, even if there is silence. H_____, Body language means different things in different  ______(文化). For example, the signs of showing _____(同意)and friendship are different from culture to culture. In Canada, _____ (点头)your head shows agreement. But people shake their heads from side to side to show agreement in India. North American men____(很少) hold hands in public. While in India, men often hold hands as a s_______of friendship. So, we should do more _____(研究)on it. People could communicate better if they knew about their body language.