答案解析

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at least是一个介宾词组,

类似于副词,

在句中一般做状语.

它可以放在句首,

所以说其后是可以跟句子的.

At least I have you.

这种句子是可以的.

再如：At least you look happy.

至少你看上去高兴.

At least I think so.

至少我认为是如此.

2.

at least作为一个状语,

其位置非常灵活,

一般放在其强调的部分之前.

所以楼主给的例子中,

从句意来看,

at least就是修饰宾语的.

它还可以修饰其他成分,

如以下几个例子：1）修饰主语At least fifteen were killed.

至少十五人死亡.

2）修饰宾语Authorities are reporting at least 30 arrests.

当局表示,

至少有30人被捕.

3）修饰状语He went at least once a week.

他至少一周去一次.

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