阅读下面材料，在空白处填人适当的内容(i个单词) 或括号内单词的正确形式。
When I called 1. my mother in the countryside on the phone she was very upset,because some snakes came near her house now and then,and they seemed 2. (make) their home there. I thought it was a chance for me 3. (distinguish) myself by inventing something 4. ( mercy) that would get rid of the snakes. I set about 5. (research) the habits of snakes to find the easiest way to trap them. Finally I decided on three possible approaches.
My first two attempts both failed,so I had to improve my design again. 6.
my great delight,this time I succeeded. All was in 7. (expect) and at last I collected the passive snakes and 8. (merry) released them all back into the wild. 9. (press) by my friends and relations,I decided to seize the opportunity to get recognition for my successful idea by 10. (send) my invention to the patent office.
