问题
选择题
They stopped _______but they _______nothing.
A．to hear , listened
B．to listen, hear
C．hearing, listened
D．to listen, heard
答案
答案：D
stop后接动名词表示停下做某事,接动词不定式表示停下来去做某事,前面stop用过去时态所以hear也应是过去时态,所以正确答案为D.
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