小疑问1 补充材料语法55：The commission has directed advertisers to restrict the use of the word natural to foods that do not contain color or flavor additives, chemical preservatives, or nothing that has been synthesized.
D)or anything that has been（correct） E)and anything 白勇讲用D是因为有现在完成时表到说话为止结束--就跟没讲一样。 我隐约记得高中老师讲，否定句用or，肯定句用and，不知对不对。请各位作答
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发表于 2003-5-26 19:07:00
