My sister often-English for 20 minutes befor she went to bed

问题描述:

My sister often_English for 20 minutes befor she went to bed?A、reads B、reading C、read D、toread
为什么我选A错了,often后面动词不是要加s吗?
1个回答 分类:英语 2014-09-28

问题解答:

我来补答
后面动词是went,为过去式
所以应主从时态一致,不看often,选c
 
 
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