◎ 题干
The couple ______at this time yesterday. Nobody knew when they stopped.
A.heard quarrellingB.heard to quarrel
C.were heard quarrellingD.was heard to quarrel
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“The couple ______at this time yesterday. Nobody knew when they stopped.A.heard quarrellingB.heard to quarrelC.were heard quarrellingD.was heard to quarrel…”主要考查了你对  【不定式】【分词】【动名词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。