. She is writing a letter to a friend of hers him to attend the meeting.A. having invite

问题补充：

. She is writing a letter to a friend of hers, him to attend the meeting.

A. having invited

B. inviting

C. to invite

D. Invited

答案：

A. having invited

(答案→)B. inviting

C. to invite

D. Invited

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