高分请人帮我修改我这篇英语百字短文（高一水平）

题目是：whoami

1．帮我找找有没有不准的用词,不恰当的句子,还有语法错误

尤其是第三第四句,我觉得别扭.

2．最好能帮我在想几个和第三到第六句类似的句子.

3．我不太自信,高一写成这样能交上去么?是不是不好吖……

I’mastudent,anormalstudent.

I’mnotgoldinother’seyes,butI’dliketobemyselftruly.

Ioncesoughttobeatopstudent,butIfailedinanexam.

Ioncemademyselflearnhistorycarefully,butIkeptsleepinginthenextclass.

Ioncewanderedtoseeabeautifulrainbow,butthestreamcamefirst.

Ioncedreamedmycolorfulhappyfuture,butIhadtofacetheboringclassesthenextmorning

Maybe,now,thelifeformeisjustlikesailingintheroaringwaves,climbingupahighsnowmountain,andwalkingacrossalargedesert.Ihavetostruggleformyownfuture,andIalwaysbelievethatthepeaceoceanafterthestreamisthemostfascinating,theviewIseeonthetopofthemountainisthemostbeautiful,andthefirstoasesIfindinthedesertisthemostverdant