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。
How time flies! I will be a senior high school student this term. I am very excited and nervous. I feel excited because I      (learn) more knowledge from my new teachers.      (especial), I can learn more about English, math, physics, chemistry and biology. I think they are       (interest). I can meet many new     (friend) in senior high school as well. I think they,      new friends, will be friendly and kind-hearted. I believe I will get along well      all of my new classmates.       the saying goes, “A friend is      (easy) to be lost than found.” If you want to make friends with others, you should treat them true-heartedly. It is really hard,     I will try.
I feel nervous because I heard that it is difficult   (study) in senior high school. I think I will meet many problems and fall through many times. But it’s nothing serious, because I know if I work hard, I will be successful at last. I want to tell myself: Try！Try! And never say die！