【S1】 【S13】

admin2012-10-11  8

问题 【S1】
【S13】

选项 A、Were
B、When
C、Had
D、If

答案A

解析 Were breast milk for sale,it would be banned.若人乳可以出售,也会(因脂肪、糖分过高)而被禁止。虚拟语气,相当于if breast milk were for sale...
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