He would have given you more help, if he ________ so busy.
A、havenotbeenB
本题考察与过去事实相反的虚拟语气。
Itisnousearguing_______theplanbecauseithasbeenrejected.
Water is composed _______ hydrogen and oxygen.
Please remind me _______ her this note.
Thesadconditionofwomenworkingashouseservantsaroundtheworldreceivedmuchmedia_____earlythisyear.
He would have given you more help, if he ________ so busy.
