A:drove; didn’t get
B:drove; wouldn’t get
C:were driving; wouldn’t get
D:had driven; wouldn’t have got
下列关于“21三体综合征”与“镰刀型细胞贫血症”的比较中,说法正确的是()
下列工业区中以重工业为主的是( )
——We can't get good grades ______ we study harder.——I agree. That's why I study so hard.