20．Take action and do       you can or it won't be long before people who trust you look for other choices．（　�。�
A．whereverB．whicheverC．wheneverD．whatever

分析 采取行動(dòng)做任何你所能做的；否則不久信任你的人們會(huì)尋找其它的選擇．

解答 答案為D．本題考查賓語(yǔ)從句中引導(dǎo)詞的運(yùn)用．動(dòng)詞do后面的賓語(yǔ)從句中省略了do，而接物動(dòng)詞do后面缺少賓語(yǔ)，A和C都是副詞不做賓語(yǔ)，排除；whichever表示"選擇"，本題中無(wú)選擇的含義，排除；whatever在名詞性從句中可做主語(yǔ)、賓語(yǔ)、表語(yǔ)或定語(yǔ)，故答案是D．

點(diǎn)評(píng) 名詞性從句考查的關(guān)鍵是連接詞的選用和語(yǔ)序，因此，我們首先要搞清從句的性質(zhì)，掌握各連接詞的用法，在此基礎(chǔ)上判斷．此外，關(guān)注名詞性從句用陳述語(yǔ)序．

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