It's high time___him a severe lesson for being late you give ;you gave;you'll give;you should give
问题描述：
It's high time___him a severe lesson for being late you give ;you gave;you'll give;you should give
选哪一个啊
答
you gave.
It is high time( that) +从句, 是...的时候了.
从句后要用虚拟语气.