1:no one stopped those cutting down the trees.I was surprised.-> I was surprised that no one stopped cuttung down the trees.
2:the oil will pollute the sea people are worried.-> The people are worried that the oil will pollute the sea.
3;my team has won the first award of the competition.I am proud.-> I am proud that mu team has won the first award of the competition.
4;I go on dalat.I'm excited.-> I am excited that I will go on dalat.
5;mary heard the news.She was unhappy.-> Mary was unhappy that she heard the news.
6;Ann missed the match.Peter was disappointed.-> Peter was disappointed that Ann missed the match.