Great attention must be paid _______ welfare, especially in the poor area.A．deve_刷题宝

题干

Great attention must be paid _______ welfare, especially in the poor area.

A．develop

B．to develop

C．to developing

D．Developing

上一题下一题 0.4难度单项选择更新时间:2012-10-17 10:19:22

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