问题
选择题
Did he write all the articles _________ or did anyone help him?[ ]
A. in person
B.,in a person
C. in the persons
D. in persons
答案
答案：A
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Did he write all the articles _________ or did anyone help him?[ ]
A. in person
B.,in a person
C. in the persons
D. in persons
答案：A