30.We ________in the neighborhood.A.happened being B.happened be C happened to be D.are happen

问题描述:

30.We ________in the neighborhood.A.happened being B.happened be C happened to be D.are happen
请讲的详细点

C happened to be 这是一个固定短语,意为“碰巧”,句子翻译为我们碰巧住在一个小区.