With more forests being destroyed, huge quantities of good earth each year.
A. is washing away
B. is being washed away
C. are washing away
D. are being washed away
网友回答
A. is washing away
B. is being washed away
C. are washing away
(答案→)D. are being washed away
解析：主谓一致与动词的语态。做此类题目需要注意quantities of 即可修饰可数名词也可修饰不可数名数，而谓语动词与quantities保持一致即复数，如果是a quantity of 谓语动词由为单数形式。根据题意谓语动词应用复数形式，排除AB两项。而earth 与wash away 之间是被动关系，所以选择D项。
考点 主谓一致与动词的语态。