请把下面句子改正
We will put an advertisement on a newspaper for our products．
They produced a new record in 1996, that was a celebration of their time．
He works hard when his brother doesn’t．
They often play jokes at each other．
There is one band started in a different way．
Have you ever dreamed becoming a scientist?
He enjoyed singing and talk with others．
Stick using it, and you will learn it well．
When we listen to music or play instrument, we are also becoming better thinkers．
短文改错
Trees are usefully to us in three important ways：
1．________
they give us wood and another products;
2．________
they give us shade and they help to stopping droughts and floods
3．________
However, people in many part of the world
4．________
have not realized that the third benefit
5．________
is the more important．A large number of
6．________
trees have cut down, but new ones
7．________
haven’t been planted．It is really danger
8．________
for people．Though we do not try to keep the balance of nature,
9．________
we will lose our live environment．
10．________