Ⅰ、2、visited the museum
3、went camping / went to summer camp
4、stayed at home and watched TV
5、went to the library
6、went to the park
Ⅱ、1、Vicky
2、Alex
3、Emily
4、Sue
Ⅲ、1、No ， he doesn't.
2、Yes. He bought many things for his family.
3、Yes ， he did. He visited the Great Wall and rode a bike in Beijing hutong.
4、The USA ， Beijing ， Guizhou ， Hong Kong.