题目

—________ have you been in Chongqing? —For five years. A．How many  B．How soon  C．How much  D．How long 答案：D 点拨：考查疑问词组的辨析。根据答句“For five years.”，可知询问“多长时间”，故选D。3吨= 千克1米= 分米60厘米= 分米1000克= 千克．