My 【C7】______ friend is of course a good friend 【C8】______ goodness is shown 【C9】______ . He has no bad 【C10】______ , as smoking and drinking. He lives frugally. He studies diligently 【C11】______ waste his golden time. 【C12】______ he 【C13】______ his parents and loves his brothers; at school he re-spects his teachers and 【C14】______ his schoolmates. He treats those truly who are 【C15】______ him.He never speaks of others' evils 【C16】______ boasts of his own merits. 【C17】______ , he has all the good characters better than 【C18】______ I can follow him as a model. By his precepts I am 【C19】______ the danger of doing a wrong action. By his help I 【C20】______ all difficulties.
Indeed, if I have such a person as my friend, I shall never feel difficult and I shall never know the existence of the word "failure. "
【C1】______

A. conditions
B. cases
C. times
D. occasions