【題目】More money ____________ when we use both sides of paper.

A. will save B. was saved C. has saved D. will be saved

【答案】

【解析】考查動(dòng)詞的時(shí)態(tài)和語(yǔ)態(tài)。紙的正反兩面都用的話,可以節(jié)省紙,當(dāng)然也省下了更多的錢。Money在句中做主語(yǔ),需要使用被動(dòng)語(yǔ)態(tài),排除A、C選項(xiàng)。另外,此句是when引導(dǎo)的時(shí)態(tài)狀語(yǔ)從句,從句用了一般現(xiàn)在時(shí),主句要用將來(lái)時(shí),排除B。故選D。

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