18. GWD31-Q18 According to a recent survey of municipal services, the city’s streets could be cleaner, its fire code be better
enforced, and its crime rate reduced if the current adrninistration improved its management practices. 1) be better enforced, and its crime rate reduced 2) better enforced, and its crime rate reduced 3) could be better enforced, and kit could reduce its crime rate 4) better enforced, and its crime rate could reduce 5) could be better en forced, and its crime rate reduce
答案是C,讨论贴一半B一半C,我以前选B,现在觉得是C.不知道可以这样省略吗,请NN指点。 According to a recent survey of municipal services, the city’s streets could be cleaner, its fire code (COULD be) better enforced, and its crime rate (COULD BE) reduced if the current adrninistration improved its management practices |