一些小学六年级的英语题目.急!

一些小学六年级的英语题目.急!
今天之内必须完成,不然就没用了!
改错,改一个
Last weekend,Mum taked me to see my grandparents.
Mary is tallest in our class.
This apple is biggest than that one.
My grandpa is the funnyest old man.
连词成句
familytoweekendgoingWhatyourthisaredo?
bookstoremanytoandWetheboughtbookswent.
选用框内单词填空
blue,boys,clean,fly,friends,had,liked,river,was,white
I am a little bird, I live in a small city . I____ not happy in the past .Because I could only ___ in the gray sky, but I didn't like the gray sky. I ____ the blue sky, but it wasn't_____ . There was only one tree in the street. My home was in the tree. There was a river near the tree,but the water was not____. There weren't any fish in it. I_____ no friends. But i'm happy today. I can see many_____ and girls planting trees. Oh! There are many trees
around my home ! That's great! The sky will be blue. The clouds will be___ .The grass will be green and the _____ will be also clean! Wow, I will have many____.后面不打了!累死了!现在已经没了!