问题
单项选择题
A good plan must be a little______so that special projects which are not included in the plan can be done well.
A．flexible
B．loose
C．relaxed
D．smooth
答案
参考答案：A
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A good plan must be a little______so that special projects which are not included in the plan can be done well.
A．flexible
B．loose
C．relaxed
D．smooth
参考答案：A