【单选题】I was on the highway _______ this car went past followed by a police car. They ______ at least 150 kilometers an hour.
A.
when; should have been driving
B.
while; would have driven
D.
when; must have been driving
【简答题】Listen to the passage and supply the missing words or phrases. Answer the following two quetions based on what you have heard. As the car industry develops, traffic accidents have become as...
【简答题】如要在Word文档中创建表格,应使用( )菜单。 (A) 格式 (B) 表格 (C) 工具 (D) 插入
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【简答题】乙苯脱氢反应是体积增大的反应,( )压力对反应有利。