This pen ______ so smoothly. I bought two packets for my son and his cousin.A．wa_刷题宝

题干

This pen ______ so smoothly. I bought two packets for my son and his cousin.

A．was written

B．has been written

C．is writing

D．writes

上一题下一题 0.85难度单项选择更新时间:2018-12-04 08:47:38

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