22. Was it the conference of APEC that made Shanghai the focus of the world then?A. holdin

发布时间：2020-08-16 06:17:37


22. Was it     the conference of APEC that made Shanghai the focus of the world then?
A. holding　　
B. to hold　
C. held　　
D. having held

网友回答

(答案→)A. holding　　
B. to hold　
C. held　　
D. having held
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