短文填词(共10小题，每小题1分，满分10分)
阅读下面短文，根据以下提示：1)汉语提示，2)首字母提示，3)语境提示，在每个空格内填人一个适当的英语单词，并将该词完整地写在右边相对应的横线上。所填单词要求意义准确，拼写正确。
Visiting friends is probably one of the most common occurrences, in daily
life. Generally s  , it is polite to call a friend before
you visit, but often very close friends just drop in      each other   
without calling. Some people enjoy a    （惊喜）visit from a friend,__
but many people do not. Take Americans for example, those    don’t      
like surprise visits may tell their friends to call first  they come.   
This is     （可接受的）because most people are vey busy. Dropping     
in at a busy time can l   to some problems for the person visiting      
and the person visited. It is a good idea to ask a friend w    he or      
she minds your just visiting w    calling. If you are not        
sure your friend          （欢迎）surprise visits, call first.