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

游客2025-06-18  0

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.  
转载请注明原文地址:http://tihaiku.com/zcyy/4124535.html
最新回复(0)