Hewouldhavegivenyoumorehelp,ifhe________sobusy.
B
本题考察与过去事实相反的虚拟语气。
IsitShakespeareTheatre_______youaregoingtowatchtheplayTheMerchantofVenice?
Studentsshould_____theirowninterestsaswellasdotheirschoolwork.
We_____knowledgefromourfamilies,schools,jobs,andthemassmedia.