将下列单词或词组填入空格。每空格限填一词，每词或词组只能填一次

A. long  B. accept  C. driving  D. possible  E. year

    Dididache (嘀嘀打车) is a popular taxi-hailing app (打车软件). It has been used by a large number of taxi drivers in many cities recently. The app shows the real-time locations (实时定位) of taxis on a map by using the GPS technology and makes it ____ for users to book a taxi on the phone. The users' request (要求) will be sent to the nearest taxi drivers who will decide whether to ____ the order or not Taxi-hailing apps are very popular in Beijing, Shanghai, Hangzhou and Nanjing, having gained tens of thousands of users. However, the city's taxi-control departments doubt its helpfulness and have said it may raise safety concerns because many taxi drivers have been found checking their phones while ____ . The app has also been criticized (指责) for disturbing market order, and creating difficulties for passengers who do not use the app to book a taxi. Many users complain that they are only useful when most taxis are idle (空驶), and booking a taxi can still be challenging during bad weather and rush hours. Can this app be in use for ____?

    Technology might make a great difference to our life. Let's wait and see.