问题
选择题
A lot of farmers refused _____ the new machine, but the engineer persuaded them _____ his invention.[ ]
A. to use, try
B. to use, to try
C. use, trying
答案
答案：B
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A lot of farmers refused _____ the new machine, but the engineer persuaded them _____ his invention.[ ]
A. to use, try
B. to use, to try
C. use, trying
答案：B