第21题: [填空题]A.Go along this street to the end. B.Are you feeling better now C.I went to the Palace Museum. D.OK, it’s a piece of cake. E.How far is it A:______ B:It’s about twenty minutes’ride. 参考答案:E 答案解析:[解析] 由答语“It’s about twenty minutes’ride.”知,上句为询问距离有多远。