An's class is going to make a two-day (1)............to visit some caves near Huong (2).............they want to see with their own eyes what they have learned in their (3).............. lessons recently and (4)............... themselves after their hard work , as well . they have planned their (5)............... carefully. for An, the only problem is getting her parents (6).................. She will try to (7)................. them so that she will be able to join her (8)..................for the excursion