完形填空。 A true friend is always helpful. I didn't believe it 1 one thing happened to me when I was in Grade 7. Li Jie was one of my classmates. He and I were also neighbours. He always listened to his mother 2 I didn't like listening to my mother. I didn't think it was necessary for 3 to teach me anything. Li Jie knew all about that but he said 4 to me. One weekend, Li Jie invited me to watch a film. I liked films very much so I went to the 5 with him happily. The film was about the love between a 6 and her son. After watching it, I began to know how great the love of the mother was. I felt 7 that I didn't listen to my mother before. I decided to think more about my mother than about 8 . After I told that to him, Li Jie smiled and said, 'It's really necessary for you to watch such a film. That was a good choice (选择) for both you and me.' Suddenly, I knew 9 he invited me to watch the film. Just at that time, I knew a true friend is always 10 . (     )1. A. when (     )2. A. and (     )3. A. her (     )4. A. something (     )5. A. park (     )6. A. mother (     )7. A. happy (     )8. A. myself (     )9. A. how (     )10. A. generous B. after B. but B. you B. anything B. cinema B. father B. bored B. herself B. where B. hard-working C. until C. so C. him C. everything C. museum C. sister C. sorry C. himself C. what C. smart D. because D. or D. them D. nothing D. zoo D. brother D. interested D. yourself D. why D. helpful