问题描述：
He ____ us dollars yet so he has to go to the bank to change money.
A won't change
B has't changed
C didn't change
D doesn't change
麻烦帮忙选下正确答案,
当然,不要找个色子掷哦.
再麻烦说下为什么
A won't change
B has't changed
C didn't change
D doesn't change
麻烦帮忙选下正确答案,
当然,不要找个色子掷哦.
再麻烦说下为什么
问题解答：
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