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Someone must have taken it away this morning,___?为什么填didn't

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/13 09:29:05
Someone must have taken it away this morning,___?为什么填didn't he Thankyou!
因为这是表示推测的,推测的内容是过去的——即今早,
所以,要由意思,对过去时进行反问.
这种对过去情况表示推测的句子,有很多.
He must have left yesterday, didn't he?
他昨天一定走了,是吗?
It must have snowed yesterday, didn't it?
昨天一定下过雪,是吗?
You must have arrived yesterday, didn't you?
你一定是昨天到的,对吧?