阅读下面短文,按照句子结构的语法性和上下文连贯的要求, 在空格处填入适当的词(不多于3个单词)或使用括号中单词的正确形式
Friendship is one of the most important things in everyone’s life.    is very difficult to find a better definition(定义) of friendship. A true friend is the person      can share all our sadness and double all our    ( happy) . In time of trial(尝试) , he or she is always at our side to give us his or her help and comfort.
Knowing how valuable friendship is, we should be very careful with our      (choose) of a friend. We should choose those people with a good character (品德)       our friends, but we must try to avoid (避免) making friends with a bad man. Besides, we should forgive their mistakes and try to help them as much as possible.
A true friend can always     (trust), loved and respected. If you tell a friend your secrets, he or she won’t tell    . Friends share their joys and sorrows. They help each other when they are      trouble, and cheer each other up when they are sad.       most important thing is that a friend always understands you. In conclusion,     you have made a good friend, don’t forget him or her.