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We all went to school, and everyone [have|has|have had|had] their favourite lessons. Unfortunately, not all the lessons were interesting, some of them were really boring. Times [changes|had changed|have changed|were changing] and today more and more countries [try|are trying|tries|to try] to make the learning process interesting for everyone.
In Japan, admiring nature is one of the most favourite subjects to study. Its purpose is to teach children to love and appreciate the environment around them. Children have to pass tests and exams to get good grades on this subject.
The life of a modern person [move|is moving|moved|had moved] to the Internet. Considering this idea, the Israelis decided to teach children how to stay safe on the Internet. Starting from now on, every schoolchild has to take this course and learn how to behave on the Internet, how to respond correctly to the comments in blogs and social networks.
In the USA, students pass the theoretical course of science and have to invent something as a final homework. They [give|are given|have given|gave] one year to work out this project. This is followed by a presentation of the results of the work in front of the whole class and further discussion and assessment.