Hewouldhavegivenyoumorehelp,ifhe________sobusy.
A、havenotbeenB
本题考察与过去事实相反的虚拟语气。
Whenyou're_____acrisis,itoftenhelpstotalktosomeone.
Ittookmeamonthtogetrid_______thecough.
I'dliketoremindyouthatthereisno_____onthepartofsuspectstoanswerquestions.
_______foryourlaziness，youcouldhavefinishedtheassignmentbynow.
Idon’tneedanyhelpatthemoment,butI_____youroffer.
