已知扇形的圆心角为45°，半径长为12，则该扇形的弧长为（ ）
I like sports, _______she likes art. A.beacauseB.but C.then
My twin sister Ann_______reading books. A likes B like C liking
There is a bird _______the tree. A.in B.on C.of
I’m going _______him. A.to teach B.teach C.teaches
What _______he_______do? A.do, like B.does ,likes toC.does , like
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