In a room above the store, where a party , some workers were busily setting the table.
A. was to be held
B. has been held
C. will be held
D. is being held.
网友回答
(答案→)A. was to be held
B. has been held
C. will be held
D. is being held.
解析:根据题干动词were可知为过去时