GWD-7-Q15: The city has proposed a number of water treatment and conservation projects the cost of which raises water bills high enough so that even environmentalists are beginning to raise alarms.
- the cost of which raises water bills high enough so that
- at a cost raising water bills so high that
- at a cost which raises water bills high enough so
- whose cost will raise water bills so high that
- whose cost will raise water bills high enough so that
Answer: (D) B为什么不对.D我觉得WHOSE没修饰的.NN指点 |