Compléter Task 3 (D)Version en ligne Fill in the blank par Dương Nữ Tường Vy 1 problem excursion going caves trip persuade Lan's class is to go on a two - day excursion to visit some near Huong Pagoda . They want to see with their own eyes what they have learned in their geography lessons recently and relax after their hard work , as well . They have planned their carefully . For Lan , the only is getting her parents' permission . She will try to them so that she will be able to join her classmates on the .