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?
为什么我选A错了,often后面动词不是要加s吗?
问题解答:
我来补答展开全文阅读