题目内容
It was really helpful ______ him to take the cat to the animal centre _______ a rainy night.
A. of, on B. of ,at
C. for , on D. for , at
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题目内容
It was really helpful ______ him to take the cat to the animal centre _______ a rainy night.
A. of, on B. of ,at
C. for , on D. for , at