语法填空。 阅读下面短文,按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。 My friend Vernon Davies kept birds. One day he phoned and told me he was going away for a week. He asked me to feed 1 birds for him and said that he would leave the key 2 his front door in my mailbox. 3 (fortunate), I forgot all about the birds until the night before Vernon was going to return. What was worse, 4 was already dark when I arrived at his house. I soon found that the key Vernon gave me could not unlock either the front door 5 the back door. I was getting desperate. I kept thinking of 6 Vernon would say when he came back. I was just going to give up 7 I noticed that one bedroom window was slightly open. I found a barrel and pushed in under the window. As the barrel was very heavy, I made a lot of noise. But in the end, I managed to climb 8 and open the window. I actually had one leg inside the bedroom when I suddenly realized that someone 9 (shine) a torch up at me. I looked down and saw a policeman and an old lady, one of Vernon's neighbours. 'What are you doing up there?' said the policeman. 10 (feel) like a complete fool, I replied, 'I was just going to feed Mr Davies' birds.'