They(  )the launch of their new company

题库2022-08-02  25

问题 They(  )the launch of their new company only a year ago.A.announceB.are announcingC.have announcedD.announced

选项 A.announce
B.are announcing
C.have announced
D.announced

答案 D

解析 句子中有表示明确的过去时间的副词短语a year ago,因此句子应用一般过去时态,正确答案为D项。
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