1．The earth is our only home．If we don't care about it，who else ______？（　�。�
A．wasB．doesC．willD．has

分析 地球是我們唯一的家．如果我們不關(guān)心它，誰會關(guān)心呢？

解答 答案：C．考查時(shí)態(tài)．if引導(dǎo)的條件狀語從句，主句應(yīng)為一般將來時(shí)，所以用will．

點(diǎn)評 本題考查時(shí)態(tài)．要熟悉if引導(dǎo)的條件狀語從句中，對主句和從句時(shí)態(tài)的要求．

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