there is______water pollution than twenty years ago.(much.more.fewer)
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thereis______waterpollutionthantwentyyearsago.(much.more.fewer)thereis______waterpollutionthantwenty
there is______water pollution than twenty years ago.(much.more.fewer)
there is______water pollution than twenty years ago.(much.more.fewer)
there is______water pollution than twenty years ago.(much.more.fewer)
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