________, 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 |
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________, 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 |
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