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Eric
concern with/by/about/for

Which preposition (with/by/about/for) is correct in this sentence? Do they have the same meaning?


Air pollution is a problem that every person should be concerned with/by/about/for.


7 Thg 08 2017 00:58
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they all make sense in that sentence apart from 'for', they just have different meanings

air pollution is a problem that every person should be concerned with

air pollution is a problem that every person should be concerned by

air pollution is a problem that every person should be concerned about 

they all have a similar enough meaning that they (for the majority of the time) can be used interchangeably 

9 tháng 8 năm 2017

I m not expert but i m gonna try to help  .. all to do to make it easy is transforming the sentence to become : every person is concerned  ( by / with / about / for ) air pollution .. i think things becomes a little clear now ,, the correct answer is with

7 tháng 8 năm 2017

Đừng bỏ lỡ cơ hội học ngoại ngữ ngay tại nhà. Hãy xem danh sách các gia sư ngôn ngữ giàu kinh nghiệm của chúng tôi và đăng ký buổi học đầu tiên ngay hôm nay!