why does she steal things ___she could easily afford to buy them?
问题描述：
why does she steal things ___she could easily afford to buy them?
1.when
2.while
3 unless
答
选2
意思是“她很容易买得起这些东西,可是为什么要偷东西呢?”
有意思的转折,所以用“while”
而“unless”是“除非”的意思.“除非她买的起,为什么要偷呢?”意思很矛盾
所以选2
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