He promised to arrive here before seven .it is eight now You see ,he be here

问题描述:

He promised to arrive here before seven .it is eight now You see ,he be here
A would B should C can D must

it is eight now You see ,he (should)be here
他答应七点前到这.
——现在都八点了,你看,他(应该)到这里了.
A 将会,C 能够D 必须.一定为什么不行如果"一定"在这了,怎么没看到他来??所以是应该来,而没来.