单项选择题

Questions 18--21 are based on the following passage.
Why was army life hard on the troops

A．They were not sheltered from the cold.
B．The diets lacked good healthy food.
C．They had no warm clothing.
D．All of the abov

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单项选择题

单项选择题

Questions 18--21 are based on the following passage. Why was army life hard on the troops 您的浏览器不支持 audio 元素。