问题
选择题
The _____ of economic development in our country went well.
A．five year plan
B．five-year-plan
C．five-years-plan
D．five-year plan
答案
答案：D
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The _____ of economic development in our country went well.
A．five year plan
B．five-year-plan
C．five-years-plan
D．five-year plan
答案：D