【用戶】小銀
【年級】高二上
【評論內容】基因改造食物現在在美國特別盛行;美國超市中有高達七成的食品可能含有一種基因改造過的穀物。這題要用where來連接兩句話共有的the US,使他們可以成為一句話。不然還有另外一種說法:GM foods are especially popular now in the U.S., which means that up to seventy percent of food products in supermarkets could contain a crop that has been genetically modified.