---I hear two high speed railways will be built in Xiangyang __________ a few years. ---That sounds great. It’ll be more convenient and faster for us to go out.
In England, people often take umbrellas when they go out in the morning because the weather there is very changeable at this time of year. Now it’s fine, but after a short time it may be rainy. The underlined word “changeable” means ______ in Chinese.