What is Tom doing now?He is preparing a report for the conferencetomorrow.A. heldB. being

发布时间：2020-08-16 18:27:02

What is Tom doing now?
He is preparing a report for the conference    tomorrow.
A. held
B. being held
C. to be held
D. having been held

网友回答

A. held
B. being held
(答案→)C. to be held
D. having been held
解析： 略
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