题目内容：

 

Our four-years-old son came into the house                                                 1._____

proudly to showed me a caterpillar(毛毛虫)that was                                         2._____

crawling up his arm．Trying hard to hiding my                                       3._____

nauseating feeling(掩饰我的恶心), I said, "Mark,                                             4._____

why don't you take them back outside .Its mother                                            5._____

will be looking for it, but it will miss its mother．"                                            6._____

I was feeling rather pleasing at the way I had                                           7._____

handled the situation．And a few minutes                                            8._____

later Mark returned back to the house with two caterpillars                                9._____

and said excitedly , "Look, I founded the mother!"                                            10._____