_______ all the difficulties and discomforts, they went on working at the design.

ABecause of
BIn proportion with
CAs a result of
DIn spite of
出自:新疆广播电视大学-大学英语(一)

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
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