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题目内容
（国家开放大学理工英语3-）
Prices of daily goods ___________ online can be lower than store prices.
单选题 (10 分) 10分
A.
are bought
B.
bought
C.
been bought
单选题 (10 分) 10分
A.
are bought
B.
bought
C.
been bought
参考答案
