Many countries have laws on not ⓐ allowing child labor. But there are millions of working children all over the world who are forced to work. Many of them work long hours, working at factories or on farms, serving as tourist guides or ⓑ selling things on the streets. Moreover, they work in dangerous jobs. In fact, over 22,000 children die in accidents at work every year. We must protect children..
Coffee plants are known to ___________ wild in East Africa. Sometime before 1000 AD, people who were living in Ethiopia began to use coffee berries to make energy bars. By about 1000 AD, the Ethiopians were selling coffee beans to Islamic traders. The Islamic traders brought the coffee beans back to Arabia. Slowly more and more people heard about coffee, and traders began selling coffee all over..
Say the name Leonardo da Vinci. The first thing that comes to mind is "Mona Lisa", the painting of the mysterious woman. But while he is largely remembered as an artist today, Leonardo only painted a total of 13 pieces. Instead, he spent a large amount of time ⓐ [ to dream / dreaming ] up new inventions. Among them were the first bicycle, the first model of a parachute and even a flying machine,..
Last week I went to the theater to see Shakespeare's play, "Hamlet." Luckily, I was able to get a very good seat. The play was really interesting, too. However, I did not enjoy (A) [ to watch / watching ] the play. ( ① ) A young man and a young woman were sitting behind me and they kept (B) [ to talk / talking ] to each other a little loudly. ( ② ) Besides, they started to eat some biscuits nois..