问题
单项选择题
Another 20% worked well, but the remaining 60% should have been scrapped. ( )
A．scratched
B．renovated
C．stimulated
D．introduced
答案
参考答案：B
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Another 20% worked well, but the remaining 60% should have been scrapped. ( )
A．scratched
B．renovated
C．stimulated
D．introduced
参考答案：B