(1)答:Yes,it will.
(2) 答:Buying tickets for 2 adults and 1 child is the cheapest for them.
(3)答:(They have to leave the zoo ) before 5:30pm.
(1)答:Yes,it will.
(2) 答:Buying tickets for 2 adults and 1 child is the cheapest for them.
(3)答:(They have to leave the zoo ) before 5:30pm.