国家开放大学 / 理工英语3
— You always shop online. Is it really reliable?
— _ _ _ _ _ _ _ _ _ _
A. It is changeable.
B. Good luck to you.
C. As long as you are careful, online shopping is trustworthy.
— _ _ _ _ _ _ _ _ _ _
A. It is changeable.
B. Good luck to you.
C. As long as you are careful, online shopping is trustworthy.
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