题目

为了保护环境，学校开展收捡废旧包装袋活动。小明捡的最多，他比小红多捡21个。小丽比小红少15个，小丽捡了32个，小明捡了多少个？ 答案：【答案】解：32＋15＋21＝68（个）答：小明捡了68个。【解析】If we can ______our present difficulties, then everything should be all right. A. cone across     B. get over        C. come over      D. get off