成人高考考试

根据网考网考试中心的统计分析，以下试题在2015-12-14日成人高考高起点习题练习中，答错率较高，为：30%
【单选题】　( )9.—I‘ve been told to pay the rent.
　　—But it‘s already been paid. It ______ by someone else.
　　A. must be B. may be
　　C. must be paid D. must have been paid
网考网参考答案：D，答错率：30%
试题解析：点击查看解析