题目内容：

语法填空

When you are thirsty, you can drink some green tea. It tastes good and it’s very healthy. The Chinese 1.(know) about the benefits of green tea since ancient times and they use 2.to treat everything from headaches to depression. They have 3.(actual) been using green tea as a medicine for over 4, 000 years.

Nowadays, there is scientific evidence of the health benefits of green tea. According to one study 4.(publish) in a cancer research journal, drinking green tea 5.(reduce) the risk of some types of cancer in Chinese men and women 6.nearly sixty percent. USA researchers have also found that green tea may prevent the 7.(grow) of cancer cells. There is also new evidence 8.green tea can help to destroy bacteria in our bodies. It is especially effective at getting rid of the bacteria on your 9.(tooth) and keep them healthy!

As the Chinese proverb goes, it is 10.(good) to go without food for three days, than without tea for one. So you should definitely try a cup of green tea.