They ______ the launch of their new company only a year ago.A.announceB.are announcingC.ha

外语类 公共英语 已帮助 人

They ______ the launch of their new company only a year ago.

A.announce

B.are announcing

C.have announced

D.announced

热搜:关于氨基酸代谢错误的论述是_________。