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Both strip mining and quarrying______ exposure to the earth’s surface.A、maintain
Both strip mining and quarrying______ exposure to the earth’s surface.A、maintain
游客
2025-02-04
20
管理
问题
Both strip mining and quarrying______ exposure to the earth’s surface.
选项
A、maintain
B、maintaining
C、maintains
D、is maintained
答案
A
解析
The compound subject both strip mining and quarrying needs a plural verb: maintain.
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