英语练习,1.What’s the matter with your computer?(保持句子意思不变)with y

英语练习,
1.What’s the matter with your computer?(保持句子意思不变)
with your computer?
2.Let’s save forests.(改为否定句) Let’s forests.
3.The sun gives us heat and light.(保持原句意思不变)
We_______ heat and light ________ the sun.
4.We have lessons on Sundays.(改为否定句) We lessons on Sundays.
5.Miss Guo is reading a book about oceans.(对划线部分提问)
is Miss Guo reading?