Hewouldhavegivenyoumorehelp,ifhe________sobusy.
A、havenotbeenB
本题考察与过去事实相反的虚拟语气。
AtanyrateIdidnotsucceed_______myselfunderstoodbyyou.
Whenyou're_____acrisis,itoftenhelpstotalktosomeone.
CharlesSmith,______wasmyformerteacher,retiredlastyear.
It_______methreeyearstodrawthebeautifulhorses.
Thesadconditionofwomenworkingashouseservantsaroundtheworldreceivedmuchmedia_____earlythisyear.
