单项选择题
The water at the bathing beach became()by refuse from the factory.
A. pollute B. polluted C. polluting D. being polluted
单项选择题 Thousands of animal lives would be () daily if we just eat vegetables.
单项选择题 The clothes a person wears may express his () or social position.
单项选择题 In the eighteenth century writers () hours in coffee houses, discussing the news of the day.