Mother was busy washing dishes Father was watching TVA. untilB. ifC. since D. while

发布时间：2020-08-17 11:07:46

Mother was busy washing dishes      Father was watching TV．
A. until
B. if
C. since
D. while

网友回答

A. until
B. if
C. since
(答案→)D. while
解析：考查连词。A．until直到；B．if如果；C．since自从；D．while然而，表对比关系。句意：母亲在忙于洗碗，而父亲在看电视。故D正确。
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