题目
28. Not only________ polluted but ________ crowded.A. was the city；were the streetsB. was the city；the streets wereC. the city was；were the streetsD. the city was；the streets were
28. Not only________ polluted but ________ crowded.
A. was the city；were the streets
B. was the city；the streets were
C. the city was；were the streets
D. the city was；the streets were
题目解答
答案
B. was the city；the streets were
解析
步骤 1：分析句子结构
句子结构为 "Not only... but also..."，表示“不仅...而且...”。在该结构中，not only 和 but also 后面的句子需要保持一致的时态和语态。
步骤 2：确定时态
根据题意，句子描述的是过去的情况，因此需要使用过去时态。
步骤 3：确定语态
"polluted" 和 "crowded" 都是形容词，表示状态，因此不需要使用被动语态。
步骤 4：选择正确的选项
根据以上分析，"Not only was the city polluted but the streets were crowded." 符合语法要求。
句子结构为 "Not only... but also..."，表示“不仅...而且...”。在该结构中，not only 和 but also 后面的句子需要保持一致的时态和语态。
步骤 2：确定时态
根据题意，句子描述的是过去的情况，因此需要使用过去时态。
步骤 3：确定语态
"polluted" 和 "crowded" 都是形容词，表示状态，因此不需要使用被动语态。
步骤 4：选择正确的选项
根据以上分析，"Not only was the city polluted but the streets were crowded." 符合语法要求。