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题目内容
（国家开放大学理工英语3）
— Have you ever shopped online?
— ______.
选择一项：
A.
Yes,I do.
B.
Quite often .It is very convenient,saving me a lot of time.
C.
Certainly.
— ______.
选择一项：
A.
Yes,I do.
B.
Quite often .It is very convenient,saving me a lot of time.
C.
Certainly.
参考答案