It is high time that such a practtice_ an end to答案were put 为什么用we_英语解答

It is high time that such a practtice_ an end to答案were put 为什么用were?

人气：385 ℃　时间：2020-01-31 18:49:52

解答

表示被动
这种练习被结束
如果去掉were ,put an end to 就没有宾语了