问题
选择题
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
答案
答案:A
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
答案:A