(   ) 5. There are some volunteers______ litter on the street. Let's join them.

       A. clean    up B. cleaning    up

      C. to    clean up D. cleaned    up

B    There be + sth. /sb. doing sth.為固定句型，意為"有某人或某物正在做……"。

題目來源：仁愛英語(yǔ)同步練習(xí)冊(cè)九年級(jí)上冊(cè)仁愛版 > Topic1 Pollution has caused too many problrms.

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 People drive their vehicles through lovely cows ，which is a traditional Indian sight. However, India's cows are not very lovely.

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根據(jù)短文內(nèi)容，選擇正確答案。

(   ) 1. Why can't Indians kill cows?

A.Because cows are lovely.

B.Because cows are easy to feed.

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