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?
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?
答