Hewouldhavegivenyoumorehelp,ifhe________sobusy.
B
本题考察与过去事实相反的虚拟语气。
_______foryourlaziness，youcouldhavefinishedtheassignmentbynow.
Jennycomplainedthatthehospital________hertoomuchforthetreatment.
Hisintelligencewill________himtogetascholarshiptocollege.
Itisimportantto________yourskinfromtheharmfulstrongsunlight.
We_____knowledgefromourfamilies,schools,jobs,andthemassmedia.