问题描述：
My spoken English has since I came to this school in August.
My spoken English has （ ）since I came to this school in August.A.raised a lot B.been improved a lot C.raised a lot of D.improved a lot
为什么选D?
My spoken English has （ ）since I came to this school in August.A.raised a lot B.been improved a lot C.raised a lot of D.improved a lot
为什么选D?
问题解答：
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