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题目内容
（国家开放大学理工英语3）
— You always shop online. Is it really reliable?
— __________
选择一项：
A.
Good luck to you.
B.
As long as you are careful, online shopping is trustworthy.
C.
It is changeable
— __________
选择一项：
A.
Good luck to you.
B.
As long as you are careful, online shopping is trustworthy.
C.
It is changeable
参考答案
