a)I was surprised that no one stopped those people cutting down the trees.
b)People are worried that the oil will pollute the sea.
c)I am proud that my team has won the first awaard of the competition.
d)They are certain that they can help us clean up the beach.
e)I am very happy that you could recover very quickly.
f)I am disappointed that they did not tell us how to do it.
Study well!
