第20题: [单项选择]A ______ of soap and two brightly colored towels were left beside the bath, the women smiled politely at Nicole and withdrew carefully form the room. A. loaf B. bar C. stick D. block 参考答案:B 答案解析:在英语中,a bar of soap(一块肥皂)是习惯用法。其他搭配都不对,所以B是正确答案。