It was__________________(such a long, such long) journey that we felt very tired when we arrived.
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Mary likes __________(potato) better than__________( tomato).
My father never gave me ———(many,much) advice.
表上作业法是一种求解运输问题的特殊方法,其实质是。
表上作业法的第一步是将产销不平衡的运输问题化为的运输问题。