题目内容：

阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式．

Fido, a little dog,was very anxious to get the favor on his master. He took care, however,  neither to be troublesome,1.would he follow him into the living room unless he was asked. He also tried to make2.(he) useful to his kind master. He would drive away strange pigs and other animals3.came into the yard．

Once when his master was sick, Fido4.(lie) at the room door and did not leave, even to get his food．When his master was well enough, Fido 5. (admit) into the room, and showed so many signs of joy that his master was more fond 6. him than ever．

Fido even had a chance of 7.(save) his master's life． His master was sleeping in a summerhouse with Fido at his side． Suddenly8.dog saw the wall shake, and dirt fall from the ceiling． Fido knew that there was danger, and began barking9.( awake) his master． As this did not succeed, he jumped up, and10.( gentle) bit his finger． His master had just time to get out of the door when the whole building fell． Fido was hurt by some of the rubbish． And his master had him kindly taken care of till he got well．