问题
The Belt and Road Forum, ________ a total of 1500 visitors have attended, focuses on the goal of promoting common development and prosperity.
A:when
B:where
C:which
D:that
B:where
C:which
D:that
正确答案是：
同类题型
The new invention made last month would have a varietyof _______ in industry
Shall we stay at school or ______to the park?
Are you a member of the club — It’s years since I
________ a little money, Jane was able to buy her mothera lovely new watch.
In the face of all these difficulties, we’re not discouraged and ______ good spirits.