I.单项填空1. -Why does the lake smell terrible?-Because large quantities of water . A. have polluted B. is being polluted C. has been polluted D. have been polluted 题目和参考答案——青夏教育精英家教网—

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I.单项填空

1. —Why does the lake smell terrible?

—Because large quantities of water .

A. have polluted B. is being polluted

C. has been polluted D. have been polluted

1. D

I. 1. D解析:quantities of后接名词作主语时，谓语动词用复数形式。句意：“这个湖为什么闻起来有臭味?”“因为大量的水被污染了。”

题目来源：2016年周测月考直通高考高中英语必修4外研版 > 周内课时练 14 Period 2 Introduction & Reading and Vocabulary—Language points

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