单项选择题A.speechesB.mournful musicC.paradeD.visit
单项选择题A.sixB.nineC.twelveD.sixteen
单项选择题A.they like investmentsB.they like challengesC.they like the jobD.they like the rural area
单项选择题A.Eastern EuropeB.Northern EuropeC.Western EuropeD.Southern Europe
单项选择题A.nearest of all planets to the sunB.extremely hotC.little known to peopleD.biggest of all planets