第21题: [单项选择]There is a nice-looking car there. I wonder ______. A. whom it belongs to B. whom does it belong to C. it belongs to whom D. whom does it belong 参考答案:A 答案解析:[解析] whom 引导的宾语从句作wonder的宾语;而在从句中,whom作belong to的宾语。另外,在宾语从句中,主语和谓语的顺序应与陈述句相同,故选A。