It (is a) fine day today.My sister and I want (to) go to the zoo.We get(got) up at 6 o'clock.We have(had) breakfast at sever(seven) thirty.We go (went)there on(by)bus.How happy we are!We have(had) a good day(time)!
个人建议可以用过去时.不知道你是几年级.有没有学过一般去时.如果没学过,用一般现在时也说得过去.