问题
选择题
The gap between rural and urban education in China is widening, and education is the key
to _____ rural problems. [ ]
A. solving
B. solve
C. have solved
D. having solved
答案
答案：A
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The gap between rural and urban education in China is widening, and education is the key
to _____ rural problems. [ ]
A. solving
B. solve
C. have solved
D. having solved
答案：A