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They ______ the launch of their new company only a year ago.A、announceB、are ann
They ______ the launch of their new company only a year ago.A、announceB、are ann
游客
2025-06-18
14
管理
问题
They ______ the launch of their new company only a year ago.
选项
A、announce
B、are announcing
C、have announced
D、announced
答案
D
解析
The simple past of the verb is necessary because of the particular past time reference a year ago. Choice (A) is the simple present. Choice (B) is the present continuous. Choice (C) is the present perfect.
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