1,We shouldn't do these things(祈使句) （ Don't）（ do）these things.

2,We have only one planet(划线提问)
How( many )（planets）（ do ）you( have).
3,There are a lot of wild animals.(否定句)
There(aren't )(many)wild animals.
4,I don't like making the water dirty.(用She作主语)
She(doesn't)like(m aking)the water dirty.
5,Mr Green can'tspeak much English(同义句)
Mr Green speaks(a )( little )English




祝你学习进步,更上一层楼! (*^__^*)
不明白的再问哟,请及时采纳,多谢!