题干

President Xi Jinping ________ joint efforts with Shanghai Coinoperation Organization countries to build an open world economy.

A:called at

B:called for

C:called up

D:called in

上一题 下一题 0.0难度 选择题 更新时间:2019-09-22 04:23:53

答案(点此获取答案解析)

B