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A series of measures______(已经被采用)to prevent air pollution.has been taken / adopt
A series of measures______(已经被采用)to prevent air pollution.has been taken / adopt
游客
2023-07-27
58
管理
问题
A series of measures______(已经被采用)to prevent air pollution.
选项
答案
has been taken / adopted
解析
本题要注意主谓一致。“a series of+名词”谓语用单数,“a number of+名词”谓语为复数,“the number of+名词”谓语为单数。
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