题目内容：

阅读下面材料，在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式。

Mary, a pretty girl, was giving an English lesson to a class of adults __1.__ had recently come to live in the United States.  After __2.__ (place) quite a number of everyday objects on a table, she asked various members of the class to give her the ruler, the book, the pen and so on.  Everything went __3._ well and the students seemed to understand the meaning of __4.__ English words for the objects.  __5._ when Mary turned to __6._ Italian student and asked him to give her the keys, the man stood still, looking very __7._ (surprise).  _8.___(see) this, Mary thought she hadn’t made the students 9.__ (understand) her clearly.  So she repeated, “Would you please give me the keys?”  The Italian shrugged his shoulders.  Then he threw his arms _10._ Mary’s neck and kissed her on both cheeks.