题目内容
【题目】
It is worth considering what makes “ convenience”foods so popular, and ______ better ones of your own (2008 .北京)
A. introduces
B. to introduce
C. introducing
D. introduced
【答案】C
【解析】点拨and连接两个并列成分,故此空所需动词形式应和considering保持一致;be worth doing something值得做某事。
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