---Doesheworkhardathislessons?---Yes,he________noefforts,Idaresay.A.sp

发布时间：2020-08-07 04:22:02

---Does he work hard at his lessons?---Yes, he ________ no efforts, I dare say.A.spendsB.sharesC.sparesD.wastes

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C解析spare no efforts表示“不遗余力”。
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