【題目】The factory used 65 percent of the raw materials, the rest of which __________ saved for other purposes.

A. is B. are

C. was D. were

【答案】D

【解析】句意：工廠用掉了 65%的原材料，其余的留作他用。which引導(dǎo)非限制性定語(yǔ)從句，本句中的which指代raw materials，“the rest of +名詞”作主語(yǔ)，謂語(yǔ)動(dòng)詞應(yīng)與of后的名詞保持一致。故本題設(shè)空處應(yīng)用復(fù)數(shù)，排除A、C兩項(xiàng)；根據(jù)主句時(shí)態(tài)可知此處應(yīng)用過去時(shí)，故答案為D項(xiàng)。

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