When ______ help, one often says “Thank you.” or “It’s kind of you.”
A.offeringB.to offerC.to be offeredD.offered
D

試題分析:句意:當(dāng)?shù)玫綆椭鷷r,人們常說“謝謝你”或者“你真好”。offer sb sth提供某人某物,offer sth to sb給某人提供某物,when所引導(dǎo)的狀語從句可以省略從句的主語和be ,故選D
點(diǎn)評:由when/If等引導(dǎo)狀語從句,如果主從主語一直,并從句中謂語動詞有be動詞時,可省略if從句中的be動詞和主語。狀語從句的省略是高中英語必須掌握的知識,并不難,關(guān)鍵在于平時多留心。
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