I had been working on math for the whole afternoon and the numbersbefore my eyes.A.swimB.swumC.swamD

题目简介

I had been working on math for the whole afternoon and the numbersbefore my eyes.A.swimB.swumC.swamD

题目详情

I had been working on math for the whole afternoon and the numbers        before my eyes.
A.swimB.swum
C.swamD.had swum
题型:单选题难度:中档来源:不详

答案

C
主句用过去完成进行时,所以后半句用一般过去时,只有这样才能具备“过去的过去”的条件。句意:我一整个下午都在做数学题,那些数字在我的眼前晕眩。
【考点定位】考查动词时态。

更多内容推荐