Are these sentences okay? 昨天下午开始了我的暑假。我很高兴。整个年我们非常苦干还有我们不抱怨。 我们的暑假很长，一共无星期。我们需要这个无星期的空余。年轻人一起的工作很壓力，而且非常好玩还有成就感。 我的学生也很开心。他们通过他们的考试，现在他们可以放松。 很都学生不在海岛，他们旅游去别的国家。很都学生去美国和荷兰。当去美国他们平时购物。他们花了很多钱。当在荷兰他们看他们的家人。 这年我去布拉格。我没去过去布拉格。我和我的好朋友一起去旅游。我们去布拉格差不多两星期。我们都有一样的兴趣，我肯定我们一起回有狠多好玩。 Yesterday my summervacation started. I'm very happy. The entire year we worked very hard and never complained. Our summervacation is very long, in total five weeks. We need those five weeks off. Working with young people can very stressfull, but ofcourse also a lot of fun and awarding. My students are also very happy. They passed their tests and can relax now. A lot of students are not going to stay on the Island, they are going to travel to other countries. A lot of them are going to the Netherlands or America. When they go to America, they usually go shopping. They spend a lot of money. When they are in the Netherlands, they go to see family. This year I'm going to Prague. I never been to Prague. I'm going with my best friend. We are going for almost two weeks. We have the same interests, so I'm sure we are going to have a lot of fun.