— How do you deal with the disagreement between the company and the customers? — The key _____ the problem is to meet the demand _____ by the customers.
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A. to solving ; making B. to solving ; made C. to solve ; making D. to solve ; made
A. he"d like to collect coins as well B. he feels like collecting coins, too C. to collect coins is also his hobby D. collecting coins also gives him great pleasure