The path of the Great Wall also served as a transportation corridor.
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There have been _______________ for services from tenants up there. （demand)
功能性不稳踝关节肌肉力觉较正常人显著不足，神经肌肉控制能力降低，而关节位置觉无明显差异。
The book is an ____________ of a lecture given last year. （expand)
If you have a friend, a 6-inch bread can easily be split in two to save money.
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