They ____ us in our discussion but owing to more important business they couldn’t comeA.w

学历类 公共英语 已帮助 人

They ____ us in our discussion, but owing to more important business they couldn’t come

A.were to join

B.were to have joined

C.had joined

D.have to join

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_________。