Thedoctorsaysshe的精选

问题详情： Thedoctorsaysshe____becarefulaboutherweightanddietbecauseshehasahistoryofheartdiseaseinherfamily.A.must   B.hasto   C.should   D.alloftheabove 【回答】D知识点：虚拟语气与情态动词题型...