阅读下面短文，用括号内所给动词的适当形式填空。 I am John. I am l7 years old, and I live in England. My father works in a horse-riding school. I have been riding since I 1 (be) six. I go horse-riding every Saturday. Now, I can ride quite well. I often 2 (spend) all Saturdays at the riding school. I help to get the horses ready. I also help the new students. Look, there are some people 3 (train) horse-riding. The girl named Xinyi 4 (walk) the horse around (遛马) and getting ready to get onto the horse. She is from China. She looks beautiful. She 5 (study) here three times. Last time, I helped her move up and down at the same time as the horse (随着的频率). while we were learning how to jump the horse, suddenly she fell off the horse and 6 (hurt) her knees badly. I felt sorry that I 7 (not help) her at that time. I thought she wouldn't come this Saturday. To my surprise, she came again! What a brave girl! Last month, she 8 (invite) to come to England for a fashion show. She said she was glad to have the chance to come here and she enjoyed herself. Oh, Xinyi is riding towards me. 'Hi, Xinyi! You're great! I have never seen such a brave girl like you.' 'Thanks. John! I am leaving for Beijing tomorrow. Thanks for helping me these days. I will never forget the exciting experience. I 9 (share) it with my friends.' 'I hope 10 (meet)you soon.' 1._______ 2._______ 3._______ 4._______ 5._______ 6._______ 7._______ 8._______ 9._______ 10._______