A.a small group is free to run after the northern lights |
B.a small group has less effect on nature |
C.a small group can save the travel cost |
D.a small group will not disturb wildlife |
A.the northern light tour | B.patience |
C.equipment | D.the northern light |
A.if tourists stay out late, they have to pay more |
B.every tourist group is not sure to see the northern lights |
C.every tourist group get the money back if they don’t see the northern lights |
D.the northern lights can be seen every day from 20th September to 31st March |
A.advertisement | B.news report |
C.science textbook | D.tourist brochure |