()1.[2015•自贡]—WhatwereyoudoingwhenIphonedyouyesterdayevening?—Iwasdoinghomeworkwhilemyparentsdinnergrandma.A.cookedB.cookC.werecooking
( ) 1. [2015 • 自贡]—What were you doing when I phoned you yesterday evening?
— I was doing homework while my parents dinner grandma.
A. cooked B. cook
C. were cooking
1. C根据答语句意"当我父母在做晚饭时，我正在做我的家庭作业"，前一个分句用了过去进行时，连接词是while 可知后一个分句也应该用过去进行时，故选 C。
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