第10题: [单项选择]It is ______ of you to turn down the radio while your sister is still iii in bed. A. considerable B. considerate C. concerned D. careful 参考答案:AB,B 答案解析:[解析] A项considerable意为“重大的,很多的”;B项considerate意为“考虑周到的,体贴的”;C项concerned意为“担心的”;D项careful意为“小心的”。