the mangaer required that all the employees () at the office before 9:00in the morning

问题描述:

the mangaer required that all the employees () at the office before 9:00in the morning
A) will arrive B )arrive C ) arrived D) have arrived

1.require
1)require sth (of sb)
2)require sb to do sth
3)require doing 主动表被动
4)require that-clause〔虚拟语气:(should)+V原〕
选B