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.
Studentsshould_____theirowninterestsaswellasdotheirschoolwork.
IsitShakespeareTheatre_______youaregoingtowatchtheplayTheMerchantofVenice?
Thefurnitureinherbedroomisquitedifferentfrom________inthelivingroom.
Itisdifficultto________theimplicationbetweenthelines.
