问题
选择题
Not only ______ polluted but ______ crowded.
A．was the city; were the streets
B．the city was; were the streets
C．was the city; the streets were
D．the city was; the streets were
答案
答案：C
主要测试特殊结构中的倒装。此类试题的题眼：寻找题干中的关键词：not only和 but ，符合倒装的要求：前面句子倒装；后面的句子不倒装。