只有however 加其他都不加
and,but so ,although ,though 前面可以加后面不能加 although ,though 因为引导状语从句不加and,but引导并列从句不加.
答案依次是though、and、however、however、so、and.
只有however 加其他都不加
and,but so ,although ,though 前面可以加后面不能加 although ,though 因为引导状语从句不加and,but引导并列从句不加.
答案依次是though、and、however、however、so、and.