The speech ________ a lively discussion started.A) being deliveredB) was deliveredC

外语类 已帮助 人

The speech ________ a lively discussion started.

A) being delivered

B) was delivered

C) be delivered

D) having been delivered

此题为多项选择题。请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。