问题
选择题
________, I think, and the problem could be settled．
A．A bit more effort
B．So long as you keep up your spirits
C．If you doubt your efforts
D．Making great efforts
答案
答案：A
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________, I think, and the problem could be settled．
A．A bit more effort
B．So long as you keep up your spirits
C．If you doubt your efforts
D．Making great efforts
答案：A