ThefirstHarbinInternationalEconomicandTradeFair
问题详情:
The first Harbin International Economic and Trade Fair________ in fair________ China’s window to Russia and other Eastern Asian countries ever since.
A.held;had become
B.was held;had become
C.held;has become
D.was held;has become
【回答】
D
知识点:一般过去时及其被动式
题型:选择题