根据句意和汉语提示写出单词,完成句子.
His uncle is going to (参加)a business meeting in Beijing next week.
Two (three) of the students in our class have been to Disneyland somewhere.
My mother with her friends often (go) shopping on weekends.
He is always (care) about his schoolwork,so he keeps making the same mistakes.
Many (hero) have set good examples for us to follow.
I'd like to (share) your idea about pollution.