___, I think, and the problems could be
题型:选择题
问题:
___, I think, and the problems could be settled.
A.If you double your efforts
B.So long as you keep up your spirits
C.Making greater efforts
D.A bit more efforts
___, I think, and the problems could be settled.
A.If you double your efforts
B.So long as you keep up your spirits
C.Making greater efforts
D.A bit more efforts