这个英语作文应该怎么写

下面是要求：

以Why Are trees Important为题，用英语写一篇不少于80个词的短文

参考词汇：take in carbon dioxide;oxygen;insect;stop water and soil from going away;desert. 下面是开头：

Trees take in carbon dioxide from the air and make oxygen.

Trees take in carbon dioxide from the air and make oxygen.That is important .people and inimals need oxygen to live .Many small animals and insects live in trees .Some of them also get food from trees Trees can stop water and soil from going away and can help stop deserts from getting larger .I think this is very impotant ,too.You know,trees are green .They can make our country even more beautiful .

Treets are our good fridends .We should plant more treets and take good care of them.