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精英家教網(wǎng) > 初中英語 > 題目詳情

4．-Our mother river has been polluted heavily．
-We must do everything we can___________ waste water from running into rivers．（　　）

A．

keep

B．

kept

C．

to keep

D．

keeping

分析 --我們的母親河已經(jīng)受到了嚴重的污染．
--我們必須盡我們一切所能來阻止廢水流入河中．

解答答案：C．
本題考查非謂語動詞的用法．根據(jù)語境推測答語的句意是"我們必須盡我們所能來阻止廢水流入河中．"，即設空處動詞表目的，應該使用動詞不定式，注意設空處前面的do everything we can意思是"盡我們一切所能"，后面跟動詞不定式作目的狀語，所以選C．

點評本題考查非謂語動詞的用法，抓住句中的關鍵詞并聯(lián)系相關的語法知識可得出正確的答案．平時注意對此類短語或句式用法的總結與歸納．

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