Though my father is now in his late forties,he looks young f

Though my father is now in his late forties,he looks young for his a_______.He is very strict with me,especially in mu studies.B_______ I know he loves me deeply in his heart.I remember that once I f_______ to do well in my math exam.I was afraid that ________ would make my father angry and ________（失望）.To my surprise,he said I had tried my best and offered me a few words to ________（鼓励）me.He told me that there is no ________（需要）to feel bad about one or two failures and the most i_______ thing is to learn something from failure and never give ________.Today is Father's Day and I want to say thank you ________ my father.