To deal with the problem of water shortages，______ watersaving technology will

题干

To deal with the problem of water shortages，______ watersaving technology will be introduced to new industrial projects in Beijing and Shanghai.

A．advancing	B．advanced
C．advance	D．advances

上一题下一题 0.85难度单项选择更新时间:2017-07-04 12:33:33

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