根据短文内容和所给汉语提示,写出短文空白处各单词的正确形式.每空限填一词.
In order to be comfortable in the deaf community,you should know some of their customs and differences.Here are some 56_____（常见的）deaf customs you may come across when spending time with deaf friends.
You can get a deaf person's 57_____（注意力）in a variety of ways.Each way is 58_____ （使用）according to the situation ( a good general rule is to 59______ （观察）how and when the deaf people do each one):
Keeping the lights on and off:Using the lights to get everyone's attention.You can also ues them to draw attention to yourself when you 60____（进入）a room in which deaf person's back turns 61_____（朝向）you.
It isn't usual to walk up behind a deaf person and touch him or her on the back.Doing so isn't necessarily 62_____（粗鲁的）,but that action is used as more of a 63_____（警告）that something is wrong.
Waving:Wave your 64_____（手）in your deaf friend's vision field.Wave casually; a cracy wave may give the impression that something is wrong.
Tapping:If you're close enough in 65____（距离）to the person,a tap on the arm is asure way toget a response.