A series of measures______(已经被采用)to prevent air pollution.has been taken / adopt

游客2024-02-28 53

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。

转载请注明原文地址:http://tihaiku.com/zcyy/3489316.html

相关试题推荐

随机试题

最新回复(0)

[originaltext]Togetadriver’slicense,youmusttakeaseriesoftests.T