根据对话,选择合适的功能句。 A:It’s usually very cold and dry in winter. You should bring a down coat with you. And there are so many beautiful scenic spots in Beijing. You’d better plan out in advance. B:____________________________________________________ A:Before you go to visit the scenic spots, you should get to know the route and the means of transportation the day before. It will save you time. You can also gather some information about the places you’re going to visit. B: I see. Thank you.