A flag flies in front of the building. = There is a flag flying in front of the building.大楼前挂了一面旗。Select the lowest gear before moving off.开车前挂上最低挡。Do you think you could contrive something for hanging my clothes on until I can get a wardrobe?你能设计个东西让我在买到衣橱前挂衣服吗？