I still don't know what()while I was away from home.

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/11/07 16:55:01

I still don't know what()while I was away from home.
a.had happened
b.happened
.
Beef noodles in Lanzhou taste the best in China and()
a.are sold well
b.sell well
这里不是应该用被动语态吗?

第一题,选b,因为while这个词说明应与后面半句时态一致,而且没有明显的“过去的过去”,不能用过去完成时.
第二题,这里不能用被动语态,这是sell这个词的一种用法,要记住哦!

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