27. We stopped ______ birthday cards or holiday cards to reduce paper waste.
(A) to buy
(B) buy
(C) buying
(D) bought

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統計: A(0), B(0), C(1), D(0), E(0) #3277709

詳解 (共 1 筆)

#6920391
題目解析 題目中提到的句子是「We st...
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