题目内容
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He saw a UFO. A UFO was flying over his head.
(合并为一句)He saw a UFO ______ ______ ______ ______.
答案:flying;over;his;head
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题目内容
句型转换
He saw a UFO. A UFO was flying over his head.
(合并为一句)He saw a UFO ______ ______ ______ ______.