has been announced, we shall have the singing competition next month.A. ThatB. AsC. ItD.

发布时间：2020-08-17 03:20:49

     has been announced, we shall have the singing petition next month.
A. That
B. As
C. It
D. What

网友回答

A. That
(答案→)B. As
C. It
D. What
解析：考查非限制性定语从句。本句中的as是定语从句中的关系代词，引导非限制性定语从句，指代很后面一句话的内容，在句中做主语。句意：正如所宣布的那样，我们在下个月要进行歌唱比赛。CD两项不能引导定语从句，that不能引导非限制性定语从句。故B正确。
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