Two cats are running ____the wall.選項：across over between off along in on into outof under
along。
along對，不過依語境不同答案可以不只一個，用ACROSS,穿過破墻，OVER“越過（矮墻）”、OFF跑離、on在墻頭跑。
along 表示沿著墻跑.
along
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