第四十七组
be made of 由……制成(物理变化)
be made up of 由……组成
be mixed up 混杂，混在一起
be obliged to (do) 被迫(做某事)
be obliged to...for...因……而感激
be well off 生活富裕
be pleased to (do) 乐于
be pleased with 对……感到满意
be popular with 得人心的，受……欢迎的
be possessed of 具有，拥有
be prepared for 做……打算；对……做好准备
be present at 出席
be proud of 以……自豪，因……感到满意
be provided with 装备有
be ready to (do) 装备好(做)；乐意(做)
be ready for 为……准备好