单项选择题
A.theme parks B.bargains C.e-tickets D.discounts
A.Green buildings have a great potential. B.People expect bigger green buildings. C.Green buildings will be larger in size. D.People prefer to live in bigger buildings.
A.Because they do not jump into green building. B.Because they fail to move into a green building. C.Because they find it more costly to live in a green building. D.Because they think that solar panels still cost too much.