题目内容
句型转换：把下面的句子变为同义句。
It took him two hours to decorate his room.
He ________ two hours ________ his room.
答案：spent,on
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题目内容
句型转换：把下面的句子变为同义句。
It took him two hours to decorate his room.
He ________ two hours ________ his room.