I have one book, high school English, without answers. I'm not able to confirm completely by myself.
Can I put them here to check the answer? And I'll adhere my answer and comprehension to that.
If allowed and welcome, how many sentences in one post is appropriate?
of course welcome to rewrite the sentence or point out/edit my mistakes in post either.
[Without][A] green plants, the sun's energy [could not be used][B] on the earth, and [all other][C] organisms [live][D] on the earth would die. Seems true...