根据短文内容，完成下列各题。

    In the US  Summer vacation starts in early June and ends around late August. Teachers will give summer homework. There are many classes and camps for middle school students. They can be about sports, cooking, boating or outdoor skills. Some students will try to make money by doing housework, such as babysitting or mowing the lawn(割草坪) for neighbours. Some will also do volunteer work, such as helping old or poor people.

    In the UK  ①Summer vacation starts around June 24 and ends on September 3. In Scotland, teachers hardly give schoolwork to kids to do during the summer. So, many of my friends and their families like to travel abroad.

    In France Summer vacation usually goes from mid-June to the end of August. French students don't have any homework or extra classes over the summer. Some students like travelling around the world. ②They see nature in Africa or visit English-speaking countries to learn English. Other students have fun in France. They go to the beach, see friends and watch movies.

    In Australia Summer vacation starts in late December and ends in early February. During the vacation, students have to finish their homework. They should read and write reports on three to five English books. They also need to work with their classmates to do science projects. Australian students often go to special interest classes during the vacation. They learn singing, cooking and so on.