1.Wine is made from grapes.
2.The classroom is cleaned by the students every day.
3.Many cars are made in Japan.
4.Cotton is grown in the southeast of China.
5.The Great Wall is known all over the world.
6.The box is made of paper.
7.Our classroom is very clean because it is cleaned every day.
8.The apples are cut by knives.
9.The computers are used widely all over the world.
10.The flowers are watered every week.
11.Many trees are planted every year.
12.Chinese is spoken by lots of people.
13.The song is often sung by children.
14. A knife is used to cut things.
15.Paper is made from wood.