20xx有趣的英語演講話題 -全文預覽
【正文】 day, we can find rubbish carelessly disposed. pollution is, in fact, threatening our existence. the earth is our home and we have the duty to take care of it for ourselves and for our later generations. fortunately, more and more people have realized these problems. measures have been taken to cope with these problems by the government. laws have been passed to stop pollution. i hope the problem will be solved in the near future and our
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