题目

My father was reading a newspaper while my mother ______ dinner. A . is cooking B . cooks C . was cooking D . will cook 答案:C 我国海拔最高和面积最大的盆地分别是 ( )A.柴达木盆地,四川盆地 B.塔里木盆地,柴达木盆地C.准噶尔盆地,塔里木盆地 D.柴达木盆地,塔里木盆地
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