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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:1209

It’s often less expensive to buy goods in ________quantity,but you’d better examine ________ quality before buying them.

A./;the
B.the;/
C.a;the
D.the;the
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It’softenlessexpensivetobuygoo