I forgot to include the following sentences. Thank you very much.
1)Ding believes that global warming comes from different parts of the world,including poorer countries. He claims that the only way to improve the situation is for rich and poor countries to work together.
2) (Can you say: is that rich and poor countries work together??).
3) Therefore bal warming is caused by air pollution, mainly due to increased amounts of carbon dioxide around the Earth.
4) Sophia is against young people’s lack of interest in politics. She maintains that global warming should be an important issue for her generation. Young people’s action can influence choices that are made by parents.
5) He recommended/suggested/ requested I book (subjunctive) for the play in advance.
He excused me for breaking the vase BUT
He excused for breaking.. (is wrong)
He apologized for breaking (correct)
2) yes
3) "bal" is global?
The rest looks OK
Sra