Need help with grammar

1. Carlos replyed, "We're supposed to read an iroquois myth, write a poem and study for a spelling test." <--- avoide using too many ands in a sentence, use more commas instead (:
2. "Song of Sky Loom" an appearingly simple yet truly complex poem that expresses people's longing to be as pure as the natural world. <---apparently = obvious, not "appearing"
3. If we could figuratively understand that the earth is our mother, and the sky is our father, then we would be more respectful of nature. <---- than is a comparitive adjective, so you shouldn't be using it as a conjunction. also don't make your mom the earth, careful of your comparisons. xDD
4. Many Native American cultures have their own versions of "Coyote Stories".
5. "Coyote and the Buffalo" is a story that is funny, entertaining and scary.
6. Momaday returned to Rainy Mountain in July to mourn for his grandmother who died in spring. <--- his grandma died, not him!
7. If I remember correctly, that story was about a man who cared so deeply for his ancestors that he retruned to the land he was born.
8. The book "Of Plymouth Plantation" by William Bradford describes the experiences of the pilgrim settles in North America.
9. The settlers of the new land were further from home than they'd ever been before, and there were many challenges to be faced.
10. "Ava, did you know that Oladudah Equiano grew up in Essaka village in West Africa?" Roger asked.
11. My sojourn in the "Lands of my Ancestors" is from Maya Angelous' book "Allo Gods Children need Traveling Shoes."
12. Angelous has been a dancer, writed, actress and a singer. She read her poem "On the Pulse of Morning" at president Clinton's inauguration.
13. Members of the Cabeza de Vacas group sailed in ships, rode on horseback, traveled on foot, and drifted in barges before finally reaching Mexica city.

2008-11-04 17:28:58 補充：
typo in 11.
"All" not "Allo"

1. Carlos (replied) , we're supposed to read an iroquois myth (to) write a poem and (study) for a spelling test.
2. "Song of Sky Loom" is an apparently simple (and) truely complex poem that (expresses) (people) (belong) to be as pure as the natural world.
3. If we could really understand (that) what sence our mother is the earth and our father is the sky, (then) we would be more (respective) of nature.
4. (Many) (natural) american cultures have (three) own versions of Coyote (Stories).
5. ('')Coyote and the buffalo('') is a story that is funny(,) entertaining and scary.
6. Having (dead) in the Spring, (Monday) returned to Rainy mountain in (July) to mourn his grandmother.
7. If I remember (correctly), (there) (was) a (beautiul) story of a man who cared deeply for his (ancestors) and so (he) returned to the land where he was born at.
8. ('')Of Plymouth plantation('') (,) a book by William Bradford (,) describes the (experience) of the pilgrim settlers in (North) America.
9. The settlers of the new land (were) further from home than they(')d ever been before and they faced many challenges.
10. "Ava(,) (do) you know that Olaudah Equiano grew up in (West) Africa, in a village called essaka"? Roger asked.
11. My sojourn in the Lands of my (ancestors) is from ('')Maya Angelous book "All Gods('') Children need Traveling Shoes."
12. Angelous has been a dancer, writer and actress and singer(.) (She) read her poem "(On) the Pulse of Morning" at (President) Clinton's inauguration.
13. Members of Cabeza de Vacas group sailed in ships, rode horseback, (travelled on foot), and (driftted) in barges before finally reaching Mexico city.

I don't think that it is completely correct.
圖片參考：http://tw.yimg.com/i/tw/ugc/rte/smiley_23.gif