Liile work hae been done,has it?

it has been done 谓语 ------work has been done,has it?A.few B.a few C.little D.a l it was done 和 It has been done 的区别 4.Little has been done is helpful to our work. All the work (has/have) been done successfully,选哪个? The boss asked,“Has all the work been done?” It's no use regretting what has been done. 这句话有几个助动词The work has been done by tom .has 和 been哪个是助动词 为啥 55._______ has been done. Everything _____ has been done ( )work has been done to inprove the people's living standar 这是一道选择题：___ work has been done to improve the people's livin