3.The speaker raised his voice but still couldn.t make himself_____.
A. hear
B.to hear
C.hearing
D.heard
出自:大学英语1

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块