问题
选择题
_____ and the problem could be settled. [ ]
A. A bit more effort
B. To make more effort
C. Making more effort
D. If you make more effort
答案
答案：A
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_____ and the problem could be settled. [ ]
A. A bit more effort
B. To make more effort
C. Making more effort
D. If you make more effort
答案：A