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。
Notuntilrecently_____thatThompsonhadbentellingthetruthallalong.
Idon’tneedanyhelpatthemoment,butI_____youroffer.
It_______methreeyearstodrawthebeautifulhorses.
CharlesSmith,______wasmyformerteacher,retiredlastyear.
Thefurnitureinherbedroomisquitedifferentfrom________inthelivingroom.
