We all have responsibilities. Parents have the responsibility to look after their children, making sure that they     1     (bring) up healthily. Responsibilities are an essential part of life.     2     is important for us to make this world a safe and pleasant place for everyone. Responsibilities aren't fun,     3     we can make the burden lighter by sharing them. If everyone considered how their actions would affect other people de world would be a better place.

In the late 19th century, American labor unions were fed up with being overworked, in dangerous conditions and with little pay. In 1884, the Federation of Organized Trades and Labor Unions met in Chicago and     1     (have) one major demand: an eight-hour workday. And     2     May 1, 1886, over 300, 000 American     3     (worker) went on strike. Today, May I is known as International Workers’ Day. While every-country's workers have a different history behind May Day, they all celebrate the people     4     give their lives for workers' justice.

A key question is obviously how close to the original the film is. Since a typical film is only around two hours long, it becomes a question for screenwriters to decide     1     is appropriate for the screen and what to leave out. Screenwriters take creative liberty and sometimes there may be changes to the plot, additions and even different endings     2     (please) producers, directors and test audiences. I, like many people, have often left the cinema     3    (feel) “the film is not like the book”.

The Great Wall     1     (list) as a World Heritage by UNESCO in 1987. Just like a dragon, it winds up and down     2    deserts, grasslands and mountains, running about 21,196 kilometers from east to west. The construction of the Great Wall was not easy, and Qin Shihuang succeeded in his effort to have the walls joined together. The Great Wall is now one of the most appealing     3     (attraction) all around the world.

Cloning is the process of making an exact copy of a plant or animal and developing it either naturally     1     artificially. Natural cloning has been going on for generations. For example, gardeners     2    （use）a form of cloning when they take a cutting from a plant and place it in a suitable medium, such as soil. Another example of natural cloning is identical twins,     3    are produced from the same egg.

An destination to the South Pole with the great Sir Ernest Shackleton—this is the adventure    1     I have been dreaming of. And I was ready for it. At the age of 19, I am fit and full of vigour. However, when I applied to join the expedition, Shackleton turned me down    2     he thought I was too young and wasn’t qualified. But I was so enthusiastic about the idea of going along with them that I    3    (secret) went aboard his ship, the Endurance, and hid in a small cupboard. Unfortunately, three days after we set off I was discovered. Shackleton did not want to turn back so he offered me a job.

During the Middle Ages, the purpose of Western art was     1       (teach) people about Christianity. Thus, artists were not interested in painting realistic scenes. Their works were often primitive and two-dimensional, and the main characters     2    (make) much larger than everyone else to show their importance. This began to change in the 13th century with Giotto di Bondone (1267-1337). While his paintings still had religious themes, they showed real people in a real environment. In particular, his     3     (painting) are set apart from other paintings by their realistic human faces and deep emotional impact.

Cunningham was a world-famous fashion photographer. But he led a simple life. He lived in a small apartment. A simple restaurant was the place     1     he usually had the same meal. He always used cheap cameras and all his pictures     2     (take) on the streets of New York. Cunningham liked to photograph ordinary people in poor areas. He found inspiration in everyday scenes. These things were real, and it was within their reality that he saw both     3     (beautiful) and potential.